Finding the Fourth Proportional to 2,857.98, 4,284.02 and 1,395.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,857.98 : 4,284.02 = 1,395.32 : x
2. Step 2: Convert to fraction form
   2,857.98/4,284.02 = 1,395.32/x
3. Step 3: Cross multiply
   2,857.98x = 4,284.02 × 1,395.32
4. Step 4: Simplify right side
   2,857.98x = 5,977,550.39
5. Step 5: Solve for x
   x = 5,977,550.39/2,857.98
6. Step 6: Final answer
   x = 2,091.53