Finding the Fourth Proportional to 71,066.61, 98,071.71 and 39,235.29

Step by Step Solution

1. Step 1: Write the proportion equation
   71,066.61 : 98,071.71 = 39,235.29 : x
2. Step 2: Convert to fraction form
   71,066.61/98,071.71 = 39,235.29/x
3. Step 3: Cross multiply
   71,066.61x = 98,071.71 × 39,235.29
4. Step 4: Simplify right side
   71,066.61x = 3,847,871,982.65
5. Step 5: Solve for x
   x = 3,847,871,982.65/71,066.61
6. Step 6: Final answer
   x = 54,144.58