Finding the Fourth Proportional to 22,425.46, 30,949.05 and 12,355.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,425.46 : 30,949.05 = 12,355.78 : x
2. Step 2: Convert to fraction form
   22,425.46/30,949.05 = 12,355.78/x
3. Step 3: Cross multiply
   22,425.46x = 30,949.05 × 12,355.78
4. Step 4: Simplify right side
   22,425.46x = 382,399,653.01
5. Step 5: Solve for x
   x = 382,399,653.01/22,425.46
6. Step 6: Final answer
   x = 17,052.03