Finding the Fourth Proportional to 14,436.10, 19,920.38 and 8,061.68

Step by Step Solution

1. Step 1: Write the proportion equation
   14,436.10 : 19,920.38 = 8,061.68 : x
2. Step 2: Convert to fraction form
   14,436.10/19,920.38 = 8,061.68/x
3. Step 3: Cross multiply
   14,436.10x = 19,920.38 × 8,061.68
4. Step 4: Simplify right side
   14,436.10x = 160,591,671.83
5. Step 5: Solve for x
   x = 160,591,671.83/14,436.10
6. Step 6: Final answer
   x = 11,124.31