Finding the Fourth Proportional to 2,019.35, 3,023.87 and 1,198.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.35 : 3,023.87 = 1,198.22 : x
2. Step 2: Convert to fraction form
   2,019.35/3,023.87 = 1,198.22/x
3. Step 3: Cross multiply
   2,019.35x = 3,023.87 × 1,198.22
4. Step 4: Simplify right side
   2,019.35x = 3,623,240.40
5. Step 5: Solve for x
   x = 3,623,240.40/2,019.35
6. Step 6: Final answer
   x = 1,794.26