Finding the Fourth Proportional to 2,391.96, 3,299.74 and 1,552.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.96 : 3,299.74 = 1,552.80 : x
2. Step 2: Convert to fraction form
   2,391.96/3,299.74 = 1,552.80/x
3. Step 3: Cross multiply
   2,391.96x = 3,299.74 × 1,552.80
4. Step 4: Simplify right side
   2,391.96x = 5,123,836.27
5. Step 5: Solve for x
   x = 5,123,836.27/2,391.96
6. Step 6: Final answer
   x = 2,142.11