Finding the Fourth Proportional to 71,061.67, 98,065.79 and 39,229.89

Step by Step Solution

1. Step 1: Write the proportion equation
   71,061.67 : 98,065.79 = 39,229.89 : x
2. Step 2: Convert to fraction form
   71,061.67/98,065.79 = 39,229.89/x
3. Step 3: Cross multiply
   71,061.67x = 98,065.79 × 39,229.89
4. Step 4: Simplify right side
   71,061.67x = 3,847,110,154.46
5. Step 5: Solve for x
   x = 3,847,110,154.46/71,061.67
6. Step 6: Final answer
   x = 54,137.63