Finding the Fourth Proportional to 2,454.72, 3,679.20 and 1,359.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.72 : 3,679.20 = 1,359.60 : x
2. Step 2: Convert to fraction form
   2,454.72/3,679.20 = 1,359.60/x
3. Step 3: Cross multiply
   2,454.72x = 3,679.20 × 1,359.60
4. Step 4: Simplify right side
   2,454.72x = 5,002,240.32
5. Step 5: Solve for x
   x = 5,002,240.32/2,454.72
6. Step 6: Final answer
   x = 2,037.80