Finding the Fourth Proportional to 22,413.33, 30,930.39 and 12,342.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,413.33 : 30,930.39 = 12,342.15 : x
2. Step 2: Convert to fraction form
   22,413.33/30,930.39 = 12,342.15/x
3. Step 3: Cross multiply
   22,413.33x = 30,930.39 × 12,342.15
4. Step 4: Simplify right side
   22,413.33x = 381,747,512.94
5. Step 5: Solve for x
   x = 381,747,512.94/22,413.33
6. Step 6: Final answer
   x = 17,032.16