Finding the Fourth Proportional to 9,016.86, 12,436.98 and 8,273.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,016.86 : 12,436.98 = 8,273.28 : x
2. Step 2: Convert to fraction form
   9,016.86/12,436.98 = 8,273.28/x
3. Step 3: Cross multiply
   9,016.86x = 12,436.98 × 8,273.28
4. Step 4: Simplify right side
   9,016.86x = 102,894,617.89
5. Step 5: Solve for x
   x = 102,894,617.89/9,016.86
6. Step 6: Final answer
   x = 11,411.36