Finding the Fourth Proportional to 2,487.52, 3,731.72 and 1,025.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487.52 : 3,731.72 = 1,025.87 : x
2. Step 2: Convert to fraction form
   2,487.52/3,731.72 = 1,025.87/x
3. Step 3: Cross multiply
   2,487.52x = 3,731.72 × 1,025.87
4. Step 4: Simplify right side
   2,487.52x = 3,828,254.47
5. Step 5: Solve for x
   x = 3,828,254.47/2,487.52
6. Step 6: Final answer
   x = 1,538.99