Finding the Fourth Proportional to 2,833.88, 3,908.42 and 1,948.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,833.88 : 3,908.42 = 1,948.28 : x
2. Step 2: Convert to fraction form
   2,833.88/3,908.42 = 1,948.28/x
3. Step 3: Cross multiply
   2,833.88x = 3,908.42 × 1,948.28
4. Step 4: Simplify right side
   2,833.88x = 7,614,696.52
5. Step 5: Solve for x
   x = 7,614,696.52/2,833.88
6. Step 6: Final answer
   x = 2,687.02