Finding the Fourth Proportional to 9,086.07, 12,540.06 and 5,107.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,086.07 : 12,540.06 = 5,107.44 : x
2. Step 2: Convert to fraction form
   9,086.07/12,540.06 = 5,107.44/x
3. Step 3: Cross multiply
   9,086.07x = 12,540.06 × 5,107.44
4. Step 4: Simplify right side
   9,086.07x = 64,047,604.05
5. Step 5: Solve for x
   x = 64,047,604.05/9,086.07
6. Step 6: Final answer
   x = 7,048.99