Finding the Fourth Proportional to 12,901.24, 17,794.24 and 8,116.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,901.24 : 17,794.24 = 8,116.56 : x
2. Step 2: Convert to fraction form
   12,901.24/17,794.24 = 8,116.56/x
3. Step 3: Cross multiply
   12,901.24x = 17,794.24 × 8,116.56
4. Step 4: Simplify right side
   12,901.24x = 144,428,016.61
5. Step 5: Solve for x
   x = 144,428,016.61/12,901.24
6. Step 6: Final answer
   x = 11,194.89