Finding the Fourth Proportional to 16,286.86, 22,472.40 and 12,514.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,286.86 : 22,472.40 = 12,514.15 : x
2. Step 2: Convert to fraction form
   16,286.86/22,472.40 = 12,514.15/x
3. Step 3: Cross multiply
   16,286.86x = 22,472.40 × 12,514.15
4. Step 4: Simplify right side
   16,286.86x = 281,222,984.46
5. Step 5: Solve for x
   x = 281,222,984.46/16,286.86
6. Step 6: Final answer
   x = 17,266.86