Finding the Fourth Proportional to 71,130.27, 98,144.29 and 42,436.83

Step by Step Solution

1. Step 1: Write the proportion equation
   71,130.27 : 98,144.29 = 42,436.83 : x
2. Step 2: Convert to fraction form
   71,130.27/98,144.29 = 42,436.83/x
3. Step 3: Cross multiply
   71,130.27x = 98,144.29 × 42,436.83
4. Step 4: Simplify right side
   71,130.27x = 4,164,932,550.20
5. Step 5: Solve for x
   x = 4,164,932,550.20/71,130.27
6. Step 6: Final answer
   x = 58,553.59