Finding the Fourth Proportional to 71,066.57, 98,069.33 and 39,235.39

Step by Step Solution

1. Step 1: Write the proportion equation
   71,066.57 : 98,069.33 = 39,235.39 : x
2. Step 2: Convert to fraction form
   71,066.57/98,069.33 = 39,235.39/x
3. Step 3: Cross multiply
   71,066.57x = 98,069.33 × 39,235.39
4. Step 4: Simplify right side
   71,066.57x = 3,847,788,262.50
5. Step 5: Solve for x
   x = 3,847,788,262.50/71,066.57
6. Step 6: Final answer
   x = 54,143.44