Finding the Fourth Proportional to 22,217.98, 30,659.58 and 12,144.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,217.98 : 30,659.58 = 12,144.42 : x
2. Step 2: Convert to fraction form
   22,217.98/30,659.58 = 12,144.42/x
3. Step 3: Cross multiply
   22,217.98x = 30,659.58 × 12,144.42
4. Step 4: Simplify right side
   22,217.98x = 372,342,816.54
5. Step 5: Solve for x
   x = 372,342,816.54/22,217.98
6. Step 6: Final answer
   x = 16,758.63