Finding the Fourth Proportional to 2,018.68, 2,785.82 and 1,134.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.68 : 2,785.82 = 1,134.58 : x
2. Step 2: Convert to fraction form
   2,018.68/2,785.82 = 1,134.58/x
3. Step 3: Cross multiply
   2,018.68x = 2,785.82 × 1,134.58
4. Step 4: Simplify right side
   2,018.68x = 3,160,735.66
5. Step 5: Solve for x
   x = 3,160,735.66/2,018.68
6. Step 6: Final answer
   x = 1,565.74