Finding the Fourth Proportional to 22,227.87, 30,674.99 and 12,667.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,227.87 : 30,674.99 = 12,667.55 : x
2. Step 2: Convert to fraction form
   22,227.87/30,674.99 = 12,667.55/x
3. Step 3: Cross multiply
   22,227.87x = 30,674.99 × 12,667.55
4. Step 4: Simplify right side
   22,227.87x = 388,576,752.86
5. Step 5: Solve for x
   x = 388,576,752.86/22,227.87
6. Step 6: Final answer
   x = 17,481.51