Finding the Fourth Proportional to 16,514.78, 22,790.41 and 8,961.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,514.78 : 22,790.41 = 8,961.12 : x
2. Step 2: Convert to fraction form
   16,514.78/22,790.41 = 8,961.12/x
3. Step 3: Cross multiply
   16,514.78x = 22,790.41 × 8,961.12
4. Step 4: Simplify right side
   16,514.78x = 204,227,576.46
5. Step 5: Solve for x
   x = 204,227,576.46/16,514.78
6. Step 6: Final answer
   x = 12,366.36