Finding the Fourth Proportional to 9,016.72, 12,436.81 and 8,273.14

Step by Step Solution

1. Step 1: Write the proportion equation
   9,016.72 : 12,436.81 = 8,273.14 : x
2. Step 2: Convert to fraction form
   9,016.72/12,436.81 = 8,273.14/x
3. Step 3: Cross multiply
   9,016.72x = 12,436.81 × 8,273.14
4. Step 4: Simplify right side
   9,016.72x = 102,891,470.28
5. Step 5: Solve for x
   x = 102,891,470.28/9,016.72
6. Step 6: Final answer
   x = 11,411.19