Finding the Fourth Proportional to 62,687.52, 86,549.31 and 38,839.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,687.52 : 86,549.31 = 38,839.50 : x
2. Step 2: Convert to fraction form
   62,687.52/86,549.31 = 38,839.50/x
3. Step 3: Cross multiply
   62,687.52x = 86,549.31 × 38,839.50
4. Step 4: Simplify right side
   62,687.52x = 3,361,531,925.75
5. Step 5: Solve for x
   x = 3,361,531,925.75/62,687.52
6. Step 6: Final answer
   x = 53,623.62