Finding the Fourth Proportional to 71,066.52, 98,071.14 and 39,234.72

Step by Step Solution

1. Step 1: Write the proportion equation
   71,066.52 : 98,071.14 = 39,234.72 : x
2. Step 2: Convert to fraction form
   71,066.52/98,071.14 = 39,234.72/x
3. Step 3: Cross multiply
   71,066.52x = 98,071.14 × 39,234.72
4. Step 4: Simplify right side
   71,066.52x = 3,847,793,717.98
5. Step 5: Solve for x
   x = 3,847,793,717.98/71,066.52
6. Step 6: Final answer
   x = 54,143.55