Finding the Fourth Proportional to 1,448.57, 1,996.34 and 1,028.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,448.57 : 1,996.34 = 1,028.94 : x
2. Step 2: Convert to fraction form
   1,448.57/1,996.34 = 1,028.94/x
3. Step 3: Cross multiply
   1,448.57x = 1,996.34 × 1,028.94
4. Step 4: Simplify right side
   1,448.57x = 2,054,104.10
5. Step 5: Solve for x
   x = 2,054,104.10/1,448.57
6. Step 6: Final answer
   x = 1,418.03