Finding the Fourth Proportional to 2,018.80, 2,785.74 and 1,179.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.80 : 2,785.74 = 1,179.52 : x
2. Step 2: Convert to fraction form
   2,018.80/2,785.74 = 1,179.52/x
3. Step 3: Cross multiply
   2,018.80x = 2,785.74 × 1,179.52
4. Step 4: Simplify right side
   2,018.80x = 3,285,836.04
5. Step 5: Solve for x
   x = 3,285,836.04/2,018.80
6. Step 6: Final answer
   x = 1,627.62