Finding the Fourth Proportional to 71,441.88, 98,585.94 and 39,608.88

Step by Step Solution

1. Step 1: Write the proportion equation
   71,441.88 : 98,585.94 = 39,608.88 : x
2. Step 2: Convert to fraction form
   71,441.88/98,585.94 = 39,608.88/x
3. Step 3: Cross multiply
   71,441.88x = 98,585.94 × 39,608.88
4. Step 4: Simplify right side
   71,441.88x = 3,904,878,667.15
5. Step 5: Solve for x
   x = 3,904,878,667.15/71,441.88
6. Step 6: Final answer
   x = 54,658.12