Finding the Fourth Proportional to 9,269.55, 12,759.84 and 8,088.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,269.55 : 12,759.84 = 8,088.57 : x
2. Step 2: Convert to fraction form
   9,269.55/12,759.84 = 8,088.57/x
3. Step 3: Cross multiply
   9,269.55x = 12,759.84 × 8,088.57
4. Step 4: Simplify right side
   9,269.55x = 103,208,859.03
5. Step 5: Solve for x
   x = 103,208,859.03/9,269.55
6. Step 6: Final answer
   x = 11,134.18