Finding the Fourth Proportional to 22,079.25, 30,469.37 and 12,143.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,079.25 : 30,469.37 = 12,143.25 : x
2. Step 2: Convert to fraction form
   22,079.25/30,469.37 = 12,143.25/x
3. Step 3: Cross multiply
   22,079.25x = 30,469.37 × 12,143.25
4. Step 4: Simplify right side
   22,079.25x = 369,997,116.54
5. Step 5: Solve for x
   x = 369,997,116.54/22,079.25
6. Step 6: Final answer
   x = 16,757.69