Finding the Fourth Proportional to 1,025.42, 1,414.46 and 745.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,025.42 : 1,414.46 = 745.31 : x
2. Step 2: Convert to fraction form
   1,025.42/1,414.46 = 745.31/x
3. Step 3: Cross multiply
   1,025.42x = 1,414.46 × 745.31
4. Step 4: Simplify right side
   1,025.42x = 1,054,216.58
5. Step 5: Solve for x
   x = 1,054,216.58/1,025.42
6. Step 6: Final answer
   x = 1,028.09