Finding the Fourth Proportional to 22,315.22, 30,795.33 and 12,757.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,315.22 : 30,795.33 = 12,757.10 : x
2. Step 2: Convert to fraction form
   22,315.22/30,795.33 = 12,757.10/x
3. Step 3: Cross multiply
   22,315.22x = 30,795.33 × 12,757.10
4. Step 4: Simplify right side
   22,315.22x = 392,859,104.34
5. Step 5: Solve for x
   x = 392,859,104.34/22,315.22
6. Step 6: Final answer
   x = 17,604.98