Finding the Fourth Proportional to 12,651.27, 17,455.55 and 8,459.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,651.27 : 17,455.55 = 8,459.52 : x
2. Step 2: Convert to fraction form
   12,651.27/17,455.55 = 8,459.52/x
3. Step 3: Cross multiply
   12,651.27x = 17,455.55 × 8,459.52
4. Step 4: Simplify right side
   12,651.27x = 147,665,532.04
5. Step 5: Solve for x
   x = 147,665,532.04/12,651.27
6. Step 6: Final answer
   x = 11,671.99