Finding the Fourth Proportional to 16,781.27, 23,158.17 and 9,227.73

Step by Step Solution

1. Step 1: Write the proportion equation
   16,781.27 : 23,158.17 = 9,227.73 : x
2. Step 2: Convert to fraction form
   16,781.27/23,158.17 = 9,227.73/x
3. Step 3: Cross multiply
   16,781.27x = 23,158.17 × 9,227.73
4. Step 4: Simplify right side
   16,781.27x = 213,697,178.12
5. Step 5: Solve for x
   x = 213,697,178.12/16,781.27
6. Step 6: Final answer
   x = 12,734.27