Finding the Fourth Proportional to 1,628.27, 2,443.61 and 935.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,628.27 : 2,443.61 = 935.27 : x
2. Step 2: Convert to fraction form
   1,628.27/2,443.61 = 935.27/x
3. Step 3: Cross multiply
   1,628.27x = 2,443.61 × 935.27
4. Step 4: Simplify right side
   1,628.27x = 2,285,435.12
5. Step 5: Solve for x
   x = 2,285,435.12/1,628.27
6. Step 6: Final answer
   x = 1,403.60