Finding the Fourth Proportional to 1,443.52, 2,165.33 and 956.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.52 : 2,165.33 = 956.31 : x
2. Step 2: Convert to fraction form
   1,443.52/2,165.33 = 956.31/x
3. Step 3: Cross multiply
   1,443.52x = 2,165.33 × 956.31
4. Step 4: Simplify right side
   1,443.52x = 2,070,721.00
5. Step 5: Solve for x
   x = 2,070,721.00/1,443.52
6. Step 6: Final answer
   x = 1,434.49