Finding the Fourth Proportional to 2,480.05, 3,717.10 and 1,018.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,480.05 : 3,717.10 = 1,018.81 : x
2. Step 2: Convert to fraction form
   2,480.05/3,717.10 = 1,018.81/x
3. Step 3: Cross multiply
   2,480.05x = 3,717.10 × 1,018.81
4. Step 4: Simplify right side
   2,480.05x = 3,787,018.65
5. Step 5: Solve for x
   x = 3,787,018.65/2,480.05
6. Step 6: Final answer
   x = 1,526.99