Finding the Fourth Proportional to 22,247.22, 30,707.73 and 12,822.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,247.22 : 30,707.73 = 12,822.42 : x
2. Step 2: Convert to fraction form
   22,247.22/30,707.73 = 12,822.42/x
3. Step 3: Cross multiply
   22,247.22x = 30,707.73 × 12,822.42
4. Step 4: Simplify right side
   22,247.22x = 393,747,411.31
5. Step 5: Solve for x
   x = 393,747,411.31/22,247.22
6. Step 6: Final answer
   x = 17,698.72