Finding the Fourth Proportional to 22,069.89, 30,456.20 and 16,429.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,069.89 : 30,456.20 = 16,429.86 : x
2. Step 2: Convert to fraction form
   22,069.89/30,456.20 = 16,429.86/x
3. Step 3: Cross multiply
   22,069.89x = 30,456.20 × 16,429.86
4. Step 4: Simplify right side
   22,069.89x = 500,391,143.21
5. Step 5: Solve for x
   x = 500,391,143.21/22,069.89
6. Step 6: Final answer
   x = 22,673.02