Finding the Fourth Proportional to 71,567.59, 98,761.40 and 39,735.67

Step by Step Solution

1. Step 1: Write the proportion equation
   71,567.59 : 98,761.40 = 39,735.67 : x
2. Step 2: Convert to fraction form
   71,567.59/98,761.40 = 39,735.67/x
3. Step 3: Cross multiply
   71,567.59x = 98,761.40 × 39,735.67
4. Step 4: Simplify right side
   71,567.59x = 3,924,350,200.46
5. Step 5: Solve for x
   x = 3,924,350,200.46/71,567.59
6. Step 6: Final answer
   x = 54,834.18