Finding the Fourth Proportional to 2,018.48, 2,785.55 and 1,134.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.48 : 2,785.55 = 1,134.27 : x
2. Step 2: Convert to fraction form
   2,018.48/2,785.55 = 1,134.27/x
3. Step 3: Cross multiply
   2,018.48x = 2,785.55 × 1,134.27
4. Step 4: Simplify right side
   2,018.48x = 3,159,560.13
5. Step 5: Solve for x
   x = 3,159,560.13/2,018.48
6. Step 6: Final answer
   x = 1,565.32