Finding the Fourth Proportional to 9,081.16, 12,531.60 and 5,304.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,081.16 : 12,531.60 = 5,304.52 : x
2. Step 2: Convert to fraction form
   9,081.16/12,531.60 = 5,304.52/x
3. Step 3: Cross multiply
   9,081.16x = 12,531.60 × 5,304.52
4. Step 4: Simplify right side
   9,081.16x = 66,474,122.83
5. Step 5: Solve for x
   x = 66,474,122.83/9,081.16
6. Step 6: Final answer
   x = 7,320.00