Finding the Fourth Proportional to 9,086.26, 12,537.20 and 5,308.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,086.26 : 12,537.20 = 5,308.69 : x
2. Step 2: Convert to fraction form
   9,086.26/12,537.20 = 5,308.69/x
3. Step 3: Cross multiply
   9,086.26x = 12,537.20 × 5,308.69
4. Step 4: Simplify right side
   9,086.26x = 66,556,081.72
5. Step 5: Solve for x
   x = 66,556,081.72/9,086.26
6. Step 6: Final answer
   x = 7,324.92