Finding the Fourth Proportional to 2,019.36, 2,786.22 and 1,233.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.36 : 2,786.22 = 1,233.12 : x
2. Step 2: Convert to fraction form
   2,019.36/2,786.22 = 1,233.12/x
3. Step 3: Cross multiply
   2,019.36x = 2,786.22 × 1,233.12
4. Step 4: Simplify right side
   2,019.36x = 3,435,743.61
5. Step 5: Solve for x
   x = 3,435,743.61/2,019.36
6. Step 6: Final answer
   x = 1,701.40