Finding the Fourth Proportional to 71,462.27, 98,607.42 and 39,631.43

Step by Step Solution

1. Step 1: Write the proportion equation
   71,462.27 : 98,607.42 = 39,631.43 : x
2. Step 2: Convert to fraction form
   71,462.27/98,607.42 = 39,631.43/x
3. Step 3: Cross multiply
   71,462.27x = 98,607.42 × 39,631.43
4. Step 4: Simplify right side
   71,462.27x = 3,907,952,570.17
5. Step 5: Solve for x
   x = 3,907,952,570.17/71,462.27
6. Step 6: Final answer
   x = 54,685.54