Finding the Fourth Proportional to 16,631.42, 22,941.38 and 12,149.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,631.42 : 22,941.38 = 12,149.69 : x
2. Step 2: Convert to fraction form
   16,631.42/22,941.38 = 12,149.69/x
3. Step 3: Cross multiply
   16,631.42x = 22,941.38 × 12,149.69
4. Step 4: Simplify right side
   16,631.42x = 278,730,479.72
5. Step 5: Solve for x
   x = 278,730,479.72/16,631.42
6. Step 6: Final answer
   x = 16,759.28