Finding the Fourth Proportional to 2,018.80, 2,786.00 and 1,134.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.80 : 2,786.00 = 1,134.69 : x
2. Step 2: Convert to fraction form
   2,018.80/2,786.00 = 1,134.69/x
3. Step 3: Cross multiply
   2,018.80x = 2,786.00 × 1,134.69
4. Step 4: Simplify right side
   2,018.80x = 3,161,238.73
5. Step 5: Solve for x
   x = 3,161,238.73/2,018.80
6. Step 6: Final answer
   x = 1,565.90