Finding the Fourth Proportional to 9,087.32, 12,540.56 and 5,108.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,087.32 : 12,540.56 = 5,108.43 : x
2. Step 2: Convert to fraction form
   9,087.32/12,540.56 = 5,108.43/x
3. Step 3: Cross multiply
   9,087.32x = 12,540.56 × 5,108.43
4. Step 4: Simplify right side
   9,087.32x = 64,062,594.41
5. Step 5: Solve for x
   x = 64,062,594.41/9,087.32
6. Step 6: Final answer
   x = 7,049.67