Finding the Fourth Proportional to 16,781.01, 23,158.32 and 9,227.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,781.01 : 23,158.32 = 9,227.61 : x
2. Step 2: Convert to fraction form
   16,781.01/23,158.32 = 9,227.61/x
3. Step 3: Cross multiply
   16,781.01x = 23,158.32 × 9,227.61
4. Step 4: Simplify right side
   16,781.01x = 213,695,945.22
5. Step 5: Solve for x
   x = 213,695,945.22/16,781.01
6. Step 6: Final answer
   x = 12,734.39