Finding the Fourth Proportional to 71,150.50, 98,179.32 and 39,317.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,150.50 : 98,179.32 = 39,317.50 : x
2. Step 2: Convert to fraction form
   71,150.50/98,179.32 = 39,317.50/x
3. Step 3: Cross multiply
   71,150.50x = 98,179.32 × 39,317.50
4. Step 4: Simplify right side
   71,150.50x = 3,860,165,414.10
5. Step 5: Solve for x
   x = 3,860,165,414.10/71,150.50
6. Step 6: Final answer
   x = 54,253.52