Finding the Fourth Proportional to 9,087.16, 12,540.52 and 5,108.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,087.16 : 12,540.52 = 5,108.02 : x
2. Step 2: Convert to fraction form
   9,087.16/12,540.52 = 5,108.02/x
3. Step 3: Cross multiply
   9,087.16x = 12,540.52 × 5,108.02
4. Step 4: Simplify right side
   9,087.16x = 64,057,226.97
5. Step 5: Solve for x
   x = 64,057,226.97/9,087.16
6. Step 6: Final answer
   x = 7,049.20