Finding the Fourth Proportional to 2,018.85, 2,785.88 and 1,134.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.85 : 2,785.88 = 1,134.79 : x
2. Step 2: Convert to fraction form
   2,018.85/2,785.88 = 1,134.79/x
3. Step 3: Cross multiply
   2,018.85x = 2,785.88 × 1,134.79
4. Step 4: Simplify right side
   2,018.85x = 3,161,378.25
5. Step 5: Solve for x
   x = 3,161,378.25/2,018.85
6. Step 6: Final answer
   x = 1,565.93