Finding the Fourth Proportional to 1,402.92, 1,934.91 and 960.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.92 : 1,934.91 = 960.12 : x
2. Step 2: Convert to fraction form
   1,402.92/1,934.91 = 960.12/x
3. Step 3: Cross multiply
   1,402.92x = 1,934.91 × 960.12
4. Step 4: Simplify right side
   1,402.92x = 1,857,745.79
5. Step 5: Solve for x
   x = 1,857,745.79/1,402.92
6. Step 6: Final answer
   x = 1,324.20