Finding the Fourth Proportional to 2,960.96, 4,086.32 and 1,964.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,960.96 : 4,086.32 = 1,964.52 : x
2. Step 2: Convert to fraction form
   2,960.96/4,086.32 = 1,964.52/x
3. Step 3: Cross multiply
   2,960.96x = 4,086.32 × 1,964.52
4. Step 4: Simplify right side
   2,960.96x = 8,027,647.54
5. Step 5: Solve for x
   x = 8,027,647.54/2,960.96
6. Step 6: Final answer
   x = 2,711.17