Finding the Fourth Proportional to 22,142.73, 30,567.48 and 14,589.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,142.73 : 30,567.48 = 14,589.69 : x
2. Step 2: Convert to fraction form
   22,142.73/30,567.48 = 14,589.69/x
3. Step 3: Cross multiply
   22,142.73x = 30,567.48 × 14,589.69
4. Step 4: Simplify right side
   22,142.73x = 445,970,057.28
5. Step 5: Solve for x
   x = 445,970,057.28/22,142.73
6. Step 6: Final answer
   x = 20,140.70