Finding the Fourth Proportional to 9,584.52, 13,155.97 and 8,513.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,584.52 : 13,155.97 = 8,513.16 : x
2. Step 2: Convert to fraction form
   9,584.52/13,155.97 = 8,513.16/x
3. Step 3: Cross multiply
   9,584.52x = 13,155.97 × 8,513.16
4. Step 4: Simplify right side
   9,584.52x = 111,998,877.57
5. Step 5: Solve for x
   x = 111,998,877.57/9,584.52
6. Step 6: Final answer
   x = 11,685.39