Finding the Fourth Proportional to 2,448.96, 3,379.68 and 1,441.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,448.96 : 3,379.68 = 1,441.20 : x
2. Step 2: Convert to fraction form
   2,448.96/3,379.68 = 1,441.20/x
3. Step 3: Cross multiply
   2,448.96x = 3,379.68 × 1,441.20
4. Step 4: Simplify right side
   2,448.96x = 4,870,794.82
5. Step 5: Solve for x
   x = 4,870,794.82/2,448.96
6. Step 6: Final answer
   x = 1,988.92