Finding the Fourth Proportional to 71,353.32, 98,470.50 and 39,522.15

Step by Step Solution

1. Step 1: Write the proportion equation
   71,353.32 : 98,470.50 = 39,522.15 : x
2. Step 2: Convert to fraction form
   71,353.32/98,470.50 = 39,522.15/x
3. Step 3: Cross multiply
   71,353.32x = 98,470.50 × 39,522.15
4. Step 4: Simplify right side
   71,353.32x = 3,891,765,871.58
5. Step 5: Solve for x
   x = 3,891,765,871.58/71,353.32
6. Step 6: Final answer
   x = 54,542.18