Finding the Fourth Proportional to 2,018.45, 2,785.59 and 1,134.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.45 : 2,785.59 = 1,134.27 : x
2. Step 2: Convert to fraction form
   2,018.45/2,785.59 = 1,134.27/x
3. Step 3: Cross multiply
   2,018.45x = 2,785.59 × 1,134.27
4. Step 4: Simplify right side
   2,018.45x = 3,159,611.17
5. Step 5: Solve for x
   x = 3,159,611.17/2,018.45
6. Step 6: Final answer
   x = 1,565.36