Finding the Fourth Proportional to 16,781.49, 23,158.47 and 9,227.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,781.49 : 23,158.47 = 9,227.94 : x
2. Step 2: Convert to fraction form
   16,781.49/23,158.47 = 9,227.94/x
3. Step 3: Cross multiply
   16,781.49x = 23,158.47 × 9,227.94
4. Step 4: Simplify right side
   16,781.49x = 213,704,971.65
5. Step 5: Solve for x
   x = 213,704,971.65/16,781.49
6. Step 6: Final answer
   x = 12,734.56