Finding the Fourth Proportional to 2,019.39, 3,014.29 and 1,786.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.39 : 3,014.29 = 1,786.11 : x
2. Step 2: Convert to fraction form
   2,019.39/3,014.29 = 1,786.11/x
3. Step 3: Cross multiply
   2,019.39x = 3,014.29 × 1,786.11
4. Step 4: Simplify right side
   2,019.39x = 5,383,849.05
5. Step 5: Solve for x
   x = 5,383,849.05/2,019.39
6. Step 6: Final answer
   x = 2,666.08