Finding the Fourth Proportional to 9,088.15, 12,540.17 and 5,108.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,088.15 : 12,540.17 = 5,108.47 : x
2. Step 2: Convert to fraction form
   9,088.15/12,540.17 = 5,108.47/x
3. Step 3: Cross multiply
   9,088.15x = 12,540.17 × 5,108.47
4. Step 4: Simplify right side
   9,088.15x = 64,061,034.93
5. Step 5: Solve for x
   x = 64,061,034.93/9,088.15
6. Step 6: Final answer
   x = 7,048.85