Finding the Fourth Proportional to 3,960.27, 5,935.16 and 2,107.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,960.27 : 5,935.16 = 2,107.39 : x
2. Step 2: Convert to fraction form
   3,960.27/5,935.16 = 2,107.39/x
3. Step 3: Cross multiply
   3,960.27x = 5,935.16 × 2,107.39
4. Step 4: Simplify right side
   3,960.27x = 12,507,696.83
5. Step 5: Solve for x
   x = 12,507,696.83/3,960.27
6. Step 6: Final answer
   x = 3,158.29