Finding the Fourth Proportional to 22,046.68, 30,425.10 and 12,618.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,046.68 : 30,425.10 = 12,618.28 : x
2. Step 2: Convert to fraction form
   22,046.68/30,425.10 = 12,618.28/x
3. Step 3: Cross multiply
   22,046.68x = 30,425.10 × 12,618.28
4. Step 4: Simplify right side
   22,046.68x = 383,912,430.83
5. Step 5: Solve for x
   x = 383,912,430.83/22,046.68
6. Step 6: Final answer
   x = 17,413.62