Finding the Fourth Proportional to 12,527.83, 17,282.37 and 8,280.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,527.83 : 17,282.37 = 8,280.55 : x
2. Step 2: Convert to fraction form
   12,527.83/17,282.37 = 8,280.55/x
3. Step 3: Cross multiply
   12,527.83x = 17,282.37 × 8,280.55
4. Step 4: Simplify right side
   12,527.83x = 143,107,528.90
5. Step 5: Solve for x
   x = 143,107,528.90/12,527.83
6. Step 6: Final answer
   x = 11,423.17