Finding the Fourth Proportional to 2,879.14, 3,968.04 and 2,091.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,879.14 : 3,968.04 = 2,091.82 : x
2. Step 2: Convert to fraction form
   2,879.14/3,968.04 = 2,091.82/x
3. Step 3: Cross multiply
   2,879.14x = 3,968.04 × 2,091.82
4. Step 4: Simplify right side
   2,879.14x = 8,300,425.43
5. Step 5: Solve for x
   x = 8,300,425.43/2,879.14
6. Step 6: Final answer
   x = 2,882.95