Finding the Fourth Proportional to 9,081.12, 13,610.34 and 5,132.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,081.12 : 13,610.34 = 5,132.10 : x
2. Step 2: Convert to fraction form
   9,081.12/13,610.34 = 5,132.10/x
3. Step 3: Cross multiply
   9,081.12x = 13,610.34 × 5,132.10
4. Step 4: Simplify right side
   9,081.12x = 69,849,625.91
5. Step 5: Solve for x
   x = 69,849,625.91/9,081.12
6. Step 6: Final answer
   x = 7,691.74