Finding the Fourth Proportional to 12,082.77, 18,125.78 and 8,327.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,082.77 : 18,125.78 = 8,327.61 : x
2. Step 2: Convert to fraction form
   12,082.77/18,125.78 = 8,327.61/x
3. Step 3: Cross multiply
   12,082.77x = 18,125.78 × 8,327.61
4. Step 4: Simplify right side
   12,082.77x = 150,944,385.15
5. Step 5: Solve for x
   x = 150,944,385.15/12,082.77
6. Step 6: Final answer
   x = 12,492.53