Finding the Fourth Proportional to 2,055.24, 3,078.27 and 957.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.24 : 3,078.27 = 957.96 : x
2. Step 2: Convert to fraction form
   2,055.24/3,078.27 = 957.96/x
3. Step 3: Cross multiply
   2,055.24x = 3,078.27 × 957.96
4. Step 4: Simplify right side
   2,055.24x = 2,948,859.53
5. Step 5: Solve for x
   x = 2,948,859.53/2,055.24
6. Step 6: Final answer
   x = 1,434.80