Finding the Fourth Proportional to 16,006.72, 22,069.28 and 12,234.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,006.72 : 22,069.28 = 12,234.56 : x
2. Step 2: Convert to fraction form
   16,006.72/22,069.28 = 12,234.56/x
3. Step 3: Cross multiply
   16,006.72x = 22,069.28 × 12,234.56
4. Step 4: Simplify right side
   16,006.72x = 270,007,930.32
5. Step 5: Solve for x
   x = 270,007,930.32/16,006.72
6. Step 6: Final answer
   x = 16,868.41