Finding the Fourth Proportional to 9,087.06, 12,540.15 and 5,108.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,087.06 : 12,540.15 = 5,108.16 : x
2. Step 2: Convert to fraction form
   9,087.06/12,540.15 = 5,108.16/x
3. Step 3: Cross multiply
   9,087.06x = 12,540.15 × 5,108.16
4. Step 4: Simplify right side
   9,087.06x = 64,057,092.62
5. Step 5: Solve for x
   x = 64,057,092.62/9,087.06
6. Step 6: Final answer
   x = 7,049.26