Finding the Fourth Proportional to 2,960.82, 4,081.50 and 2,485.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,960.82 : 4,081.50 = 2,485.13 : x
2. Step 2: Convert to fraction form
   2,960.82/4,081.50 = 2,485.13/x
3. Step 3: Cross multiply
   2,960.82x = 4,081.50 × 2,485.13
4. Step 4: Simplify right side
   2,960.82x = 10,143,037.69
5. Step 5: Solve for x
   x = 10,143,037.69/2,960.82
6. Step 6: Final answer
   x = 3,425.75