Finding the Fourth Proportional to 3,922.89, 5,413.67 and 2,329.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,922.89 : 5,413.67 = 2,329.62 : x
2. Step 2: Convert to fraction form
   3,922.89/5,413.67 = 2,329.62/x
3. Step 3: Cross multiply
   3,922.89x = 5,413.67 × 2,329.62
4. Step 4: Simplify right side
   3,922.89x = 12,611,793.91
5. Step 5: Solve for x
   x = 12,611,793.91/3,922.89
6. Step 6: Final answer
   x = 3,214.92