Finding the Fourth Proportional to 9,086.24, 12,540.12 and 5,107.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,086.24 : 12,540.12 = 5,107.52 : x
2. Step 2: Convert to fraction form
   9,086.24/12,540.12 = 5,107.52/x
3. Step 3: Cross multiply
   9,086.24x = 12,540.12 × 5,107.52
4. Step 4: Simplify right side
   9,086.24x = 64,048,913.70
5. Step 5: Solve for x
   x = 64,048,913.70/9,086.24
6. Step 6: Final answer
   x = 7,049.00