Finding the Fourth Proportional to 1,464.46, 2,020.92 and 801.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,464.46 : 2,020.92 = 801.31 : x
2. Step 2: Convert to fraction form
   1,464.46/2,020.92 = 801.31/x
3. Step 3: Cross multiply
   1,464.46x = 2,020.92 × 801.31
4. Step 4: Simplify right side
   1,464.46x = 1,619,383.41
5. Step 5: Solve for x
   x = 1,619,383.41/1,464.46
6. Step 6: Final answer
   x = 1,105.79