Finding the Fourth Proportional to 22,179.20, 30,612.42 and 14,626.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,179.20 : 30,612.42 = 14,626.89 : x
2. Step 2: Convert to fraction form
   22,179.20/30,612.42 = 14,626.89/x
3. Step 3: Cross multiply
   22,179.20x = 30,612.42 × 14,626.89
4. Step 4: Simplify right side
   22,179.20x = 447,764,499.97
5. Step 5: Solve for x
   x = 447,764,499.97/22,179.20
6. Step 6: Final answer
   x = 20,188.49