Finding the Fourth Proportional to 2,019.11, 2,786.06 and 1,134.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.11 : 2,786.06 = 1,134.74 : x
2. Step 2: Convert to fraction form
   2,019.11/2,786.06 = 1,134.74/x
3. Step 3: Cross multiply
   2,019.11x = 2,786.06 × 1,134.74
4. Step 4: Simplify right side
   2,019.11x = 3,161,434.12
5. Step 5: Solve for x
   x = 3,161,434.12/2,019.11
6. Step 6: Final answer
   x = 1,565.76