Finding the Fourth Proportional to 12,086.88, 16,680.06 and 7,306.17

Step by Step Solution

1. Step 1: Write the proportion equation
   12,086.88 : 16,680.06 = 7,306.17 : x
2. Step 2: Convert to fraction form
   12,086.88/16,680.06 = 7,306.17/x
3. Step 3: Cross multiply
   12,086.88x = 16,680.06 × 7,306.17
4. Step 4: Simplify right side
   12,086.88x = 121,867,353.97
5. Step 5: Solve for x
   x = 121,867,353.97/12,086.88
6. Step 6: Final answer
   x = 10,082.61