Finding the Fourth Proportional to 16,781.67, 23,158.22 and 9,227.99

Step by Step Solution

1. Step 1: Write the proportion equation
   16,781.67 : 23,158.22 = 9,227.99 : x
2. Step 2: Convert to fraction form
   16,781.67/23,158.22 = 9,227.99/x
3. Step 3: Cross multiply
   16,781.67x = 23,158.22 × 9,227.99
4. Step 4: Simplify right side
   16,781.67x = 213,703,834.33
5. Step 5: Solve for x
   x = 213,703,834.33/16,781.67
6. Step 6: Final answer
   x = 12,734.36