Finding the Fourth Proportional to 22,315.16, 30,794.92 and 12,755.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,315.16 : 30,794.92 = 12,755.25 : x
2. Step 2: Convert to fraction form
   22,315.16/30,794.92 = 12,755.25/x
3. Step 3: Cross multiply
   22,315.16x = 30,794.92 × 12,755.25
4. Step 4: Simplify right side
   22,315.16x = 392,797,033.52
5. Step 5: Solve for x
   x = 392,797,033.52/22,315.16
6. Step 6: Final answer
   x = 17,602.25