Finding the Fourth Proportional to 112,801.15, 155,665.59 and 62,500.15

Step by Step Solution

1. Step 1: Write the proportion equation
   112,801.15 : 155,665.59 = 62,500.15 : x
2. Step 2: Convert to fraction form
   112,801.15/155,665.59 = 62,500.15/x
3. Step 3: Cross multiply
   112,801.15x = 155,665.59 × 62,500.15
4. Step 4: Simplify right side
   112,801.15x = 9,729,123,153.80
5. Step 5: Solve for x
   x = 9,729,123,153.80/112,801.15
6. Step 6: Final answer
   x = 86,250.21