Finding the Fourth Proportional to 12,795.43, 17,661.50 and 8,082.85

Step by Step Solution

1. Step 1: Write the proportion equation
   12,795.43 : 17,661.50 = 8,082.85 : x
2. Step 2: Convert to fraction form
   12,795.43/17,661.50 = 8,082.85/x
3. Step 3: Cross multiply
   12,795.43x = 17,661.50 × 8,082.85
4. Step 4: Simplify right side
   12,795.43x = 142,755,255.28
5. Step 5: Solve for x
   x = 142,755,255.28/12,795.43
6. Step 6: Final answer
   x = 11,156.74