Finding the Fourth Proportional to 16,435.72, 24,642.06 and 8,105.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,435.72 : 24,642.06 = 8,105.56 : x
2. Step 2: Convert to fraction form
   16,435.72/24,642.06 = 8,105.56/x
3. Step 3: Cross multiply
   16,435.72x = 24,642.06 × 8,105.56
4. Step 4: Simplify right side
   16,435.72x = 199,737,695.85
5. Step 5: Solve for x
   x = 199,737,695.85/16,435.72
6. Step 6: Final answer
   x = 12,152.66