Finding the Fourth Proportional to 22,196.28, 30,630.70 and 12,124.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,196.28 : 30,630.70 = 12,124.72 : x
2. Step 2: Convert to fraction form
   22,196.28/30,630.70 = 12,124.72/x
3. Step 3: Cross multiply
   22,196.28x = 30,630.70 × 12,124.72
4. Step 4: Simplify right side
   22,196.28x = 371,388,660.90
5. Step 5: Solve for x
   x = 371,388,660.90/22,196.28
6. Step 6: Final answer
   x = 16,732.02