Finding the Fourth Proportional to 2,018.68, 2,785.68 and 1,179.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.68 : 2,785.68 = 1,179.46 : x
2. Step 2: Convert to fraction form
   2,018.68/2,785.68 = 1,179.46/x
3. Step 3: Cross multiply
   2,018.68x = 2,785.68 × 1,179.46
4. Step 4: Simplify right side
   2,018.68x = 3,285,584.20
5. Step 5: Solve for x
   x = 3,285,584.20/2,018.68
6. Step 6: Final answer
   x = 1,627.59