Finding the Fourth Proportional to 2,960.20, 4,439.76 and 1,205.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,960.20 : 4,439.76 = 1,205.47 : x
2. Step 2: Convert to fraction form
   2,960.20/4,439.76 = 1,205.47/x
3. Step 3: Cross multiply
   2,960.20x = 4,439.76 × 1,205.47
4. Step 4: Simplify right side
   2,960.20x = 5,351,997.49
5. Step 5: Solve for x
   x = 5,351,997.49/2,960.20
6. Step 6: Final answer
   x = 1,807.99