Finding the Fourth Proportional to 2,890.67, 4,336.46 and 942.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,890.67 : 4,336.46 = 942.42 : x
2. Step 2: Convert to fraction form
   2,890.67/4,336.46 = 942.42/x
3. Step 3: Cross multiply
   2,890.67x = 4,336.46 × 942.42
4. Step 4: Simplify right side
   2,890.67x = 4,086,766.63
5. Step 5: Solve for x
   x = 4,086,766.63/2,890.67
6. Step 6: Final answer
   x = 1,413.78