Finding the Fourth Proportional to 2,509.39, 3,463.20 and 1,447.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,509.39 : 3,463.20 = 1,447.18 : x
2. Step 2: Convert to fraction form
   2,509.39/3,463.20 = 1,447.18/x
3. Step 3: Cross multiply
   2,509.39x = 3,463.20 × 1,447.18
4. Step 4: Simplify right side
   2,509.39x = 5,011,873.78
5. Step 5: Solve for x
   x = 5,011,873.78/2,509.39
6. Step 6: Final answer
   x = 1,997.25