Finding the Fourth Proportional to 2,857.46, 4,283.46 and 1,395.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,857.46 : 4,283.46 = 1,395.82 : x
2. Step 2: Convert to fraction form
   2,857.46/4,283.46 = 1,395.82/x
3. Step 3: Cross multiply
   2,857.46x = 4,283.46 × 1,395.82
4. Step 4: Simplify right side
   2,857.46x = 5,978,928.43
5. Step 5: Solve for x
   x = 5,978,928.43/2,857.46
6. Step 6: Final answer
   x = 2,092.39