Finding the Fourth Proportional to 22,288.14, 30,758.00 and 12,217.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,288.14 : 30,758.00 = 12,217.55 : x
2. Step 2: Convert to fraction form
   22,288.14/30,758.00 = 12,217.55/x
3. Step 3: Cross multiply
   22,288.14x = 30,758.00 × 12,217.55
4. Step 4: Simplify right side
   22,288.14x = 375,787,188.02
5. Step 5: Solve for x
   x = 375,787,188.02/22,288.14
6. Step 6: Final answer
   x = 16,860.41