Finding the Fourth Proportional to 2,019.23, 2,786.55 and 1,135.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.23 : 2,786.55 = 1,135.02 : x
2. Step 2: Convert to fraction form
   2,019.23/2,786.55 = 1,135.02/x
3. Step 3: Cross multiply
   2,019.23x = 2,786.55 × 1,135.02
4. Step 4: Simplify right side
   2,019.23x = 3,162,789.98
5. Step 5: Solve for x
   x = 3,162,789.98/2,019.23
6. Step 6: Final answer
   x = 1,566.33