Finding the Fourth Proportional to 2,939.58, 4,413.69 and 2,896.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,939.58 : 4,413.69 = 2,896.38 : x
2. Step 2: Convert to fraction form
   2,939.58/4,413.69 = 2,896.38/x
3. Step 3: Cross multiply
   2,939.58x = 4,413.69 × 2,896.38
4. Step 4: Simplify right side
   2,939.58x = 12,783,723.44
5. Step 5: Solve for x
   x = 12,783,723.44/2,939.58
6. Step 6: Final answer
   x = 4,348.83