Finding the Fourth Proportional to 2,276.24, 3,142.20 and 1,448.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.24 : 3,142.20 = 1,448.24 : x
2. Step 2: Convert to fraction form
   2,276.24/3,142.20 = 1,448.24/x
3. Step 3: Cross multiply
   2,276.24x = 3,142.20 × 1,448.24
4. Step 4: Simplify right side
   2,276.24x = 4,550,659.73
5. Step 5: Solve for x
   x = 4,550,659.73/2,276.24
6. Step 6: Final answer
   x = 1,999.20