Finding the Fourth Proportional to 2,942.47, 4,413.43 and 994.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,942.47 : 4,413.43 = 994.69 : x
2. Step 2: Convert to fraction form
   2,942.47/4,413.43 = 994.69/x
3. Step 3: Cross multiply
   2,942.47x = 4,413.43 × 994.69
4. Step 4: Simplify right side
   2,942.47x = 4,389,994.69
5. Step 5: Solve for x
   x = 4,389,994.69/2,942.47
6. Step 6: Final answer
   x = 1,491.94