Finding the Fourth Proportional to 22,269.29, 30,731.69 and 12,198.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,269.29 : 30,731.69 = 12,198.16 : x
2. Step 2: Convert to fraction form
   22,269.29/30,731.69 = 12,198.16/x
3. Step 3: Cross multiply
   22,269.29x = 30,731.69 × 12,198.16
4. Step 4: Simplify right side
   22,269.29x = 374,870,071.69
5. Step 5: Solve for x
   x = 374,870,071.69/22,269.29
6. Step 6: Final answer
   x = 16,833.50