Finding the Fourth Proportional to 71,242.42, 98,314.52 and 39,411.35

Step by Step Solution

1. Step 1: Write the proportion equation
   71,242.42 : 98,314.52 = 39,411.35 : x
2. Step 2: Convert to fraction form
   71,242.42/98,314.52 = 39,411.35/x
3. Step 3: Cross multiply
   71,242.42x = 98,314.52 × 39,411.35
4. Step 4: Simplify right side
   71,242.42x = 3,874,707,957.80
5. Step 5: Solve for x
   x = 3,874,707,957.80/71,242.42
6. Step 6: Final answer
   x = 54,387.65