Finding the Fourth Proportional to 22,229.34, 30,682.71 and 12,801.66

Step by Step Solution

1. Step 1: Write the proportion equation
   22,229.34 : 30,682.71 = 12,801.66 : x
2. Step 2: Convert to fraction form
   22,229.34/30,682.71 = 12,801.66/x
3. Step 3: Cross multiply
   22,229.34x = 30,682.71 × 12,801.66
4. Step 4: Simplify right side
   22,229.34x = 392,789,621.30
5. Step 5: Solve for x
   x = 392,789,621.30/22,229.34
6. Step 6: Final answer
   x = 17,669.87