Finding the Fourth Proportional to 3,608.10, 5,407.83 and 2,960.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,608.10 : 5,407.83 = 2,960.10 : x
2. Step 2: Convert to fraction form
   3,608.10/5,407.83 = 2,960.10/x
3. Step 3: Cross multiply
   3,608.10x = 5,407.83 × 2,960.10
4. Step 4: Simplify right side
   3,608.10x = 16,007,717.58
5. Step 5: Solve for x
   x = 16,007,717.58/3,608.10
6. Step 6: Final answer
   x = 4,436.61