Finding the Fourth Proportional to 14,105.45, 21,158.13 and 4,244.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,105.45 : 21,158.13 = 4,244.72 : x
2. Step 2: Convert to fraction form
   14,105.45/21,158.13 = 4,244.72/x
3. Step 3: Cross multiply
   14,105.45x = 21,158.13 × 4,244.72
4. Step 4: Simplify right side
   14,105.45x = 89,810,231.78
5. Step 5: Solve for x
   x = 89,810,231.78/14,105.45
6. Step 6: Final answer
   x = 6,367.06