Finding the Fourth Proportional to 16,514.53, 22,789.85 and 8,960.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,514.53 : 22,789.85 = 8,960.80 : x
2. Step 2: Convert to fraction form
   16,514.53/22,789.85 = 8,960.80/x
3. Step 3: Cross multiply
   16,514.53x = 22,789.85 × 8,960.80
4. Step 4: Simplify right side
   16,514.53x = 204,215,192.82
5. Step 5: Solve for x
   x = 204,215,192.82/16,514.53
6. Step 6: Final answer
   x = 12,365.79