Finding the Fourth Proportional to 71,500.50, 98,667.33 and 39,234.39

Step by Step Solution

1. Step 1: Write the proportion equation
   71,500.50 : 98,667.33 = 39,234.39 : x
2. Step 2: Convert to fraction form
   71,500.50/98,667.33 = 39,234.39/x
3. Step 3: Cross multiply
   71,500.50x = 98,667.33 × 39,234.39
4. Step 4: Simplify right side
   71,500.50x = 3,871,152,505.48
5. Step 5: Solve for x
   x = 3,871,152,505.48/71,500.50
6. Step 6: Final answer
   x = 54,141.61