Finding the Fourth Proportional to 22,221.27, 30,665.88 and 12,150.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,221.27 : 30,665.88 = 12,150.12 : x
2. Step 2: Convert to fraction form
   22,221.27/30,665.88 = 12,150.12/x
3. Step 3: Cross multiply
   22,221.27x = 30,665.88 × 12,150.12
4. Step 4: Simplify right side
   22,221.27x = 372,594,121.91
5. Step 5: Solve for x
   x = 372,594,121.91/22,221.27
6. Step 6: Final answer
   x = 16,767.45