Which number is the greatest among the following: 56, 38, 92, 45?

To determine which number is the greatest among the given options, you compare each number directly.

Starting with 56, it is greater than 38 and 45 but less than 92. Considering 38, it is the smallest number in the set, being less than 45, 56, and 92. The number 45 is also less than both 56 and 92.

When you reach 92, you find that it is larger than all the other numbers provided. Therefore, it stands out as the greatest number among them. This comparison shows that 92 exceeds each of the other options clearly, making it the greatest value in the list.