Finding the Fourth Proportional to 16,139.32, 24,211.45 and 8,237.53

Step by Step Solution

1. Step 1: Write the proportion equation
   16,139.32 : 24,211.45 = 8,237.53 : x
2. Step 2: Convert to fraction form
   16,139.32/24,211.45 = 8,237.53/x
3. Step 3: Cross multiply
   16,139.32x = 24,211.45 × 8,237.53
4. Step 4: Simplify right side
   16,139.32x = 199,442,545.72
5. Step 5: Solve for x
   x = 199,442,545.72/16,139.32
6. Step 6: Final answer
   x = 12,357.56