Finding the Fourth Proportional to 12,385.38, 17,082.27 and 8,608.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,385.38 : 17,082.27 = 8,608.47 : x
2. Step 2: Convert to fraction form
   12,385.38/17,082.27 = 8,608.47/x
3. Step 3: Cross multiply
   12,385.38x = 17,082.27 × 8,608.47
4. Step 4: Simplify right side
   12,385.38x = 147,052,208.83
5. Step 5: Solve for x
   x = 147,052,208.83/12,385.38
6. Step 6: Final answer
   x = 11,873.05