Finding the Fourth Proportional to 16,471.73, 22,730.82 and 8,917.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,471.73 : 22,730.82 = 8,917.86 : x
2. Step 2: Convert to fraction form
   16,471.73/22,730.82 = 8,917.86/x
3. Step 3: Cross multiply
   16,471.73x = 22,730.82 × 8,917.86
4. Step 4: Simplify right side
   16,471.73x = 202,710,270.45
5. Step 5: Solve for x
   x = 202,710,270.45/16,471.73
6. Step 6: Final answer
   x = 12,306.56