Finding the Fourth Proportional to 22,196.50, 30,631.10 and 12,124.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,196.50 : 30,631.10 = 12,124.96 : x
2. Step 2: Convert to fraction form
   22,196.50/30,631.10 = 12,124.96/x
3. Step 3: Cross multiply
   22,196.50x = 30,631.10 × 12,124.96
4. Step 4: Simplify right side
   22,196.50x = 371,400,862.26
5. Step 5: Solve for x
   x = 371,400,862.26/22,196.50
6. Step 6: Final answer
   x = 16,732.41