Finding the Fourth Proportional to 1,433.03, 1,976.46 and 960.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.03 : 1,976.46 = 960.77 : x
2. Step 2: Convert to fraction form
   1,433.03/1,976.46 = 960.77/x
3. Step 3: Cross multiply
   1,433.03x = 1,976.46 × 960.77
4. Step 4: Simplify right side
   1,433.03x = 1,898,913.59
5. Step 5: Solve for x
   x = 1,898,913.59/1,433.03
6. Step 6: Final answer
   x = 1,325.11