Finding the Fourth Proportional to 2,018.69, 2,785.85 and 1,134.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.69 : 2,785.85 = 1,134.47 : x
2. Step 2: Convert to fraction form
   2,018.69/2,785.85 = 1,134.47/x
3. Step 3: Cross multiply
   2,018.69x = 2,785.85 × 1,134.47
4. Step 4: Simplify right side
   2,018.69x = 3,160,464.54
5. Step 5: Solve for x
   x = 3,160,464.54/2,018.69
6. Step 6: Final answer
   x = 1,565.60