Finding the Fourth Proportional to 16,123.30, 24,198.28 and 8,231.65

Step by Step Solution

1. Step 1: Write the proportion equation
   16,123.30 : 24,198.28 = 8,231.65 : x
2. Step 2: Convert to fraction form
   16,123.30/24,198.28 = 8,231.65/x
3. Step 3: Cross multiply
   16,123.30x = 24,198.28 × 8,231.65
4. Step 4: Simplify right side
   16,123.30x = 199,191,771.56
5. Step 5: Solve for x
   x = 199,191,771.56/16,123.30
6. Step 6: Final answer
   x = 12,354.28