Finding the Fourth Proportional to 2,018.85, 2,786.04 and 1,134.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.85 : 2,786.04 = 1,134.63 : x
2. Step 2: Convert to fraction form
   2,018.85/2,786.04 = 1,134.63/x
3. Step 3: Cross multiply
   2,018.85x = 2,786.04 × 1,134.63
4. Step 4: Simplify right side
   2,018.85x = 3,161,124.57
5. Step 5: Solve for x
   x = 3,161,124.57/2,018.85
6. Step 6: Final answer
   x = 1,565.80