Finding the Fourth Proportional to 99,744.48, 137,522.88 and 63,875.52

Step by Step Solution

1. Step 1: Write the proportion equation
   99,744.48 : 137,522.88 = 63,875.52 : x
2. Step 2: Convert to fraction form
   99,744.48/137,522.88 = 63,875.52/x
3. Step 3: Cross multiply
   99,744.48x = 137,522.88 × 63,875.52
4. Step 4: Simplify right side
   99,744.48x = 8,784,345,471.90
5. Step 5: Solve for x
   x = 8,784,345,471.90/99,744.48
6. Step 6: Final answer
   x = 88,068.49