Finding the Fourth Proportional to 35,142.72, 52,713.92 and 8,847.47

Step by Step Solution

1. Step 1: Write the proportion equation
   35,142.72 : 52,713.92 = 8,847.47 : x
2. Step 2: Convert to fraction form
   35,142.72/52,713.92 = 8,847.47/x
3. Step 3: Cross multiply
   35,142.72x = 52,713.92 × 8,847.47
4. Step 4: Simplify right side
   35,142.72x = 466,384,825.78
5. Step 5: Solve for x
   x = 466,384,825.78/35,142.72
6. Step 6: Final answer
   x = 13,271.16