Finding the Fourth Proportional to 2,403.62, 3,604.82 and 942.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.62 : 3,604.82 = 942.78 : x
2. Step 2: Convert to fraction form
   2,403.62/3,604.82 = 942.78/x
3. Step 3: Cross multiply
   2,403.62x = 3,604.82 × 942.78
4. Step 4: Simplify right side
   2,403.62x = 3,398,552.20
5. Step 5: Solve for x
   x = 3,398,552.20/2,403.62
6. Step 6: Final answer
   x = 1,413.93