Finding the Fourth Proportional to 2,479.85, 3,716.53 and 1,018.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.85 : 3,716.53 = 1,018.61 : x
2. Step 2: Convert to fraction form
   2,479.85/3,716.53 = 1,018.61/x
3. Step 3: Cross multiply
   2,479.85x = 3,716.53 × 1,018.61
4. Step 4: Simplify right side
   2,479.85x = 3,785,673.49
5. Step 5: Solve for x
   x = 3,785,673.49/2,479.85
6. Step 6: Final answer
   x = 1,526.58