Finding the Fourth Proportional to 71,475.89, 98,648.54 and 39,655.04

Step by Step Solution

1. Step 1: Write the proportion equation
   71,475.89 : 98,648.54 = 39,655.04 : x
2. Step 2: Convert to fraction form
   71,475.89/98,648.54 = 39,655.04/x
3. Step 3: Cross multiply
   71,475.89x = 98,648.54 × 39,655.04
4. Step 4: Simplify right side
   71,475.89x = 3,911,911,601.37
5. Step 5: Solve for x
   x = 3,911,911,601.37/71,475.89
6. Step 6: Final answer
   x = 54,730.51