Finding the Fourth Proportional to 12,727.59, 17,560.49 and 8,251.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,727.59 : 17,560.49 = 8,251.53 : x
2. Step 2: Convert to fraction form
   12,727.59/17,560.49 = 8,251.53/x
3. Step 3: Cross multiply
   12,727.59x = 17,560.49 × 8,251.53
4. Step 4: Simplify right side
   12,727.59x = 144,900,868.79
5. Step 5: Solve for x
   x = 144,900,868.79/12,727.59
6. Step 6: Final answer
   x = 11,384.78