Finding the Fourth Proportional to 16,641.38, 22,964.72 and 9,087.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,641.38 : 22,964.72 = 9,087.42 : x
2. Step 2: Convert to fraction form
   16,641.38/22,964.72 = 9,087.42/x
3. Step 3: Cross multiply
   16,641.38x = 22,964.72 × 9,087.42
4. Step 4: Simplify right side
   16,641.38x = 208,690,055.82
5. Step 5: Solve for x
   x = 208,690,055.82/16,641.38
6. Step 6: Final answer
   x = 12,540.43