Finding the Fourth Proportional to 14,105.69, 21,158.61 and 4,244.90

Step by Step Solution

1. Step 1: Write the proportion equation
   14,105.69 : 21,158.61 = 4,244.90 : x
2. Step 2: Convert to fraction form
   14,105.69/21,158.61 = 4,244.90/x
3. Step 3: Cross multiply
   14,105.69x = 21,158.61 × 4,244.90
4. Step 4: Simplify right side
   14,105.69x = 89,816,178.28
5. Step 5: Solve for x
   x = 89,816,178.28/14,105.69
6. Step 6: Final answer
   x = 6,367.37