Finding the Fourth Proportional to 2,479.46, 3,719.22 and 1,018.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.46 : 3,719.22 = 1,018.28 : x
2. Step 2: Convert to fraction form
   2,479.46/3,719.22 = 1,018.28/x
3. Step 3: Cross multiply
   2,479.46x = 3,719.22 × 1,018.28
4. Step 4: Simplify right side
   2,479.46x = 3,787,212.82
5. Step 5: Solve for x
   x = 3,787,212.82/2,479.46
6. Step 6: Final answer
   x = 1,527.44