Finding the Fourth Proportional to 71,185.73, 98,220.02 and 42,499.82

Step by Step Solution

1. Step 1: Write the proportion equation
   71,185.73 : 98,220.02 = 42,499.82 : x
2. Step 2: Convert to fraction form
   71,185.73/98,220.02 = 42,499.82/x
3. Step 3: Cross multiply
   71,185.73x = 98,220.02 × 42,499.82
4. Step 4: Simplify right side
   71,185.73x = 4,174,332,957.90
5. Step 5: Solve for x
   x = 4,174,332,957.90/71,185.73
6. Step 6: Final answer
   x = 58,640.02