Finding the Fourth Proportional to 9,086.97, 12,540.79 and 5,108.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,086.97 : 12,540.79 = 5,108.46 : x
2. Step 2: Convert to fraction form
   9,086.97/12,540.79 = 5,108.46/x
3. Step 3: Cross multiply
   9,086.97x = 12,540.79 × 5,108.46
4. Step 4: Simplify right side
   9,086.97x = 64,064,124.08
5. Step 5: Solve for x
   x = 64,064,124.08/9,086.97
6. Step 6: Final answer
   x = 7,050.11