Finding the Fourth Proportional to 2,056.24, 3,085.12 and 960.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.24 : 3,085.12 = 960.96 : x
2. Step 2: Convert to fraction form
   2,056.24/3,085.12 = 960.96/x
3. Step 3: Cross multiply
   2,056.24x = 3,085.12 × 960.96
4. Step 4: Simplify right side
   2,056.24x = 2,964,676.92
5. Step 5: Solve for x
   x = 2,964,676.92/2,056.24
6. Step 6: Final answer
   x = 1,441.80