Finding the Fourth Proportional to 2,942.15, 4,413.38 and 1,298.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,942.15 : 4,413.38 = 1,298.71 : x
2. Step 2: Convert to fraction form
   2,942.15/4,413.38 = 1,298.71/x
3. Step 3: Cross multiply
   2,942.15x = 4,413.38 × 1,298.71
4. Step 4: Simplify right side
   2,942.15x = 5,731,700.74
5. Step 5: Solve for x
   x = 5,731,700.74/2,942.15
6. Step 6: Final answer
   x = 1,948.13