Finding the Fourth Proportional to 9,086.26, 12,539.84 and 5,108.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,086.26 : 12,539.84 = 5,108.34 : x
2. Step 2: Convert to fraction form
   9,086.26/12,539.84 = 5,108.34/x
3. Step 3: Cross multiply
   9,086.26x = 12,539.84 × 5,108.34
4. Step 4: Simplify right side
   9,086.26x = 64,057,766.27
5. Step 5: Solve for x
   x = 64,057,766.27/9,086.26
6. Step 6: Final answer
   x = 7,049.96