Finding the Fourth Proportional to 2,018.50, 2,785.46 and 1,134.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.50 : 2,785.46 = 1,134.60 : x
2. Step 2: Convert to fraction form
   2,018.50/2,785.46 = 1,134.60/x
3. Step 3: Cross multiply
   2,018.50x = 2,785.46 × 1,134.60
4. Step 4: Simplify right side
   2,018.50x = 3,160,382.92
5. Step 5: Solve for x
   x = 3,160,382.92/2,018.50
6. Step 6: Final answer
   x = 1,565.71