Finding the Fourth Proportional to 3,960.82, 5,945.82 and 2,318.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,960.82 : 5,945.82 = 2,318.56 : x
2. Step 2: Convert to fraction form
   3,960.82/5,945.82 = 2,318.56/x
3. Step 3: Cross multiply
   3,960.82x = 5,945.82 × 2,318.56
4. Step 4: Simplify right side
   3,960.82x = 13,785,740.42
5. Step 5: Solve for x
   x = 13,785,740.42/3,960.82
6. Step 6: Final answer
   x = 3,480.53