The problem is asking which of the given fractions belongs to the interval $[3, 4]$.

Let's analyze each fraction to determine whether it lies within this interval.

1. $\frac{56}{11}$
   $56 \div 11 \approx 5.09$
   This value is greater than 4, so it does not belong to the interval.

2. $\frac{123}{74}$
   $123 \div 74 \approx 1.66$
   This value is less than 3, so it does not belong to the interval.

3. $\frac{79}{18}$
   $79 \div 18 \approx 4.39$
   This value is greater than 4, so it does not belong to the interval.

4. $\frac{101}{33}$
   $101 \div 33 \approx 3.06$
   This value is within the interval $[3, 4]$.

Conclusion: The fraction $\frac{101}{33}$ is the one that belongs to the interval $[3, 4]$.

Would you like more details on this, or do you have any other questions?

Here are some related questions:

1. How do you convert fractions to decimals?
2. What is an interval in mathematics, and how is it used?
3. How can you determine if a number belongs to a given interval?
4. What are some methods to approximate the division of two numbers?
5. How can you simplify fractions to make division easier?

Tip: When converting fractions to decimals, it's helpful to perform long division or use a calculator for greater precision.