Finding the Fourth Proportional to 2,018.41, 2,785.39 and 1,134.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.41 : 2,785.39 = 1,134.21 : x
2. Step 2: Convert to fraction form
   2,018.41/2,785.39 = 1,134.21/x
3. Step 3: Cross multiply
   2,018.41x = 2,785.39 × 1,134.21
4. Step 4: Simplify right side
   2,018.41x = 3,159,217.19
5. Step 5: Solve for x
   x = 3,159,217.19/2,018.41
6. Step 6: Final answer
   x = 1,565.20