Finding the Fourth Proportional to 1,433.08, 1,976.55 and 960.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.08 : 1,976.55 = 960.83 : x
2. Step 2: Convert to fraction form
   1,433.08/1,976.55 = 960.83/x
3. Step 3: Cross multiply
   1,433.08x = 1,976.55 × 960.83
4. Step 4: Simplify right side
   1,433.08x = 1,899,128.54
5. Step 5: Solve for x
   x = 1,899,128.54/1,433.08
6. Step 6: Final answer
   x = 1,325.21