Finding the Fourth Proportional to 22,288.14, 30,757.98 and 12,217.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,288.14 : 30,757.98 = 12,217.50 : x
2. Step 2: Convert to fraction form
   22,288.14/30,757.98 = 12,217.50/x
3. Step 3: Cross multiply
   22,288.14x = 30,757.98 × 12,217.50
4. Step 4: Simplify right side
   22,288.14x = 375,785,620.65
5. Step 5: Solve for x
   x = 375,785,620.65/22,288.14
6. Step 6: Final answer
   x = 16,860.34