Finding the Fourth Proportional to 71,426.10, 98,561.39 and 39,592.29

Step by Step Solution

1. Step 1: Write the proportion equation
   71,426.10 : 98,561.39 = 39,592.29 : x
2. Step 2: Convert to fraction form
   71,426.10/98,561.39 = 39,592.29/x
3. Step 3: Cross multiply
   71,426.10x = 98,561.39 × 39,592.29
4. Step 4: Simplify right side
   71,426.10x = 3,902,270,937.72
5. Step 5: Solve for x
   x = 3,902,270,937.72/71,426.10
6. Step 6: Final answer
   x = 54,633.68