Finding the Fourth Proportional to 22,224.31, 30,672.20 and 12,794.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,224.31 : 30,672.20 = 12,794.69 : x
2. Step 2: Convert to fraction form
   22,224.31/30,672.20 = 12,794.69/x
3. Step 3: Cross multiply
   22,224.31x = 30,672.20 × 12,794.69
4. Step 4: Simplify right side
   22,224.31x = 392,441,399.29
5. Step 5: Solve for x
   x = 392,441,399.29/22,224.31
6. Step 6: Final answer
   x = 17,658.21