Finding the Fourth Proportional to 2,018.66, 2,785.67 and 1,134.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.66 : 2,785.67 = 1,134.51 : x
2. Step 2: Convert to fraction form
   2,018.66/2,785.67 = 1,134.51/x
3. Step 3: Cross multiply
   2,018.66x = 2,785.67 × 1,134.51
4. Step 4: Simplify right side
   2,018.66x = 3,160,370.47
5. Step 5: Solve for x
   x = 3,160,370.47/2,018.66
6. Step 6: Final answer
   x = 1,565.58