Finding the Fourth Proportional to 2,752.38, 3,798.09 and 1,557.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,752.38 : 3,798.09 = 1,557.50 : x
2. Step 2: Convert to fraction form
   2,752.38/3,798.09 = 1,557.50/x
3. Step 3: Cross multiply
   2,752.38x = 3,798.09 × 1,557.50
4. Step 4: Simplify right side
   2,752.38x = 5,915,506.18
5. Step 5: Solve for x
   x = 5,915,506.18/2,752.38
6. Step 6: Final answer
   x = 2,149.23