Finding the Fourth Proportional to 2,018.49, 2,785.76 and 1,134.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.49 : 2,785.76 = 1,134.45 : x
2. Step 2: Convert to fraction form
   2,018.49/2,785.76 = 1,134.45/x
3. Step 3: Cross multiply
   2,018.49x = 2,785.76 × 1,134.45
4. Step 4: Simplify right side
   2,018.49x = 3,160,304.01
5. Step 5: Solve for x
   x = 3,160,304.01/2,018.49
6. Step 6: Final answer
   x = 1,565.68