Finding the Fourth Proportional to 2,018.25, 2,785.32 and 1,134.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.25 : 2,785.32 = 1,134.09 : x
2. Step 2: Convert to fraction form
   2,018.25/2,785.32 = 1,134.09/x
3. Step 3: Cross multiply
   2,018.25x = 2,785.32 × 1,134.09
4. Step 4: Simplify right side
   2,018.25x = 3,158,803.56
5. Step 5: Solve for x
   x = 3,158,803.56/2,018.25
6. Step 6: Final answer
   x = 1,565.12