Finding the Fourth Proportional to 71,499.95, 98,668.06 and 39,234.47

Step by Step Solution

1. Step 1: Write the proportion equation
   71,499.95 : 98,668.06 = 39,234.47 : x
2. Step 2: Convert to fraction form
   71,499.95/98,668.06 = 39,234.47/x
3. Step 3: Cross multiply
   71,499.95x = 98,668.06 × 39,234.47
4. Step 4: Simplify right side
   71,499.95x = 3,871,189,188.61
5. Step 5: Solve for x
   x = 3,871,189,188.61/71,499.95
6. Step 6: Final answer
   x = 54,142.54