Finding the Fourth Proportional to 2,479.71, 3,719.88 and 1,018.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.71 : 3,719.88 = 1,018.74 : x
2. Step 2: Convert to fraction form
   2,479.71/3,719.88 = 1,018.74/x
3. Step 3: Cross multiply
   2,479.71x = 3,719.88 × 1,018.74
4. Step 4: Simplify right side
   2,479.71x = 3,789,590.55
5. Step 5: Solve for x
   x = 3,789,590.55/2,479.71
6. Step 6: Final answer
   x = 1,528.24