Finding the Fourth Proportional to 9,584.27, 13,155.63 and 8,512.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,584.27 : 13,155.63 = 8,512.91 : x
2. Step 2: Convert to fraction form
   9,584.27/13,155.63 = 8,512.91/x
3. Step 3: Cross multiply
   9,584.27x = 13,155.63 × 8,512.91
4. Step 4: Simplify right side
   9,584.27x = 111,992,672.90
5. Step 5: Solve for x
   x = 111,992,672.90/9,584.27
6. Step 6: Final answer
   x = 11,685.05