Finding the Fourth Proportional to 1,328.48, 1,833.50 and 956.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,328.48 : 1,833.50 = 956.69 : x
2. Step 2: Convert to fraction form
   1,328.48/1,833.50 = 956.69/x
3. Step 3: Cross multiply
   1,328.48x = 1,833.50 × 956.69
4. Step 4: Simplify right side
   1,328.48x = 1,754,077.16
5. Step 5: Solve for x
   x = 1,754,077.16/1,328.48
6. Step 6: Final answer
   x = 1,320.37