Finding the Fourth Proportional to 16,578.90, 22,878.42 and 9,025.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,578.90 : 22,878.42 = 9,025.38 : x
2. Step 2: Convert to fraction form
   16,578.90/22,878.42 = 9,025.38/x
3. Step 3: Cross multiply
   16,578.90x = 22,878.42 × 9,025.38
4. Step 4: Simplify right side
   16,578.90x = 206,486,434.30
5. Step 5: Solve for x
   x = 206,486,434.30/16,578.90
6. Step 6: Final answer
   x = 12,454.77