Finding the Fourth Proportional to 12,509.50, 17,233.89 and 8,725.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,509.50 : 17,233.89 = 8,725.92 : x
2. Step 2: Convert to fraction form
   12,509.50/17,233.89 = 8,725.92/x
3. Step 3: Cross multiply
   12,509.50x = 17,233.89 × 8,725.92
4. Step 4: Simplify right side
   12,509.50x = 150,381,545.43
5. Step 5: Solve for x
   x = 150,381,545.43/12,509.50
6. Step 6: Final answer
   x = 12,021.39