Finding the Fourth Proportional to 2,018.39, 2,785.46 and 1,134.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.39 : 2,785.46 = 1,134.16 : x
2. Step 2: Convert to fraction form
   2,018.39/2,785.46 = 1,134.16/x
3. Step 3: Cross multiply
   2,018.39x = 2,785.46 × 1,134.16
4. Step 4: Simplify right side
   2,018.39x = 3,159,157.31
5. Step 5: Solve for x
   x = 3,159,157.31/2,018.39
6. Step 6: Final answer
   x = 1,565.19