Finding the Fourth Proportional to 9,086.35, 12,539.01 and 5,108.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,086.35 : 12,539.01 = 5,108.26 : x
2. Step 2: Convert to fraction form
   9,086.35/12,539.01 = 5,108.26/x
3. Step 3: Cross multiply
   9,086.35x = 12,539.01 × 5,108.26
4. Step 4: Simplify right side
   9,086.35x = 64,052,523.22
5. Step 5: Solve for x
   x = 64,052,523.22/9,086.35
6. Step 6: Final answer
   x = 7,049.31