Finding the Fourth Proportional to 2,055.38, 3,081.85 and 960.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.38 : 3,081.85 = 960.46 : x
2. Step 2: Convert to fraction form
   2,055.38/3,081.85 = 960.46/x
3. Step 3: Cross multiply
   2,055.38x = 3,081.85 × 960.46
4. Step 4: Simplify right side
   2,055.38x = 2,959,983.55
5. Step 5: Solve for x
   x = 2,959,983.55/2,055.38
6. Step 6: Final answer
   x = 1,440.12