Finding the Fourth Proportional to 2,019.24, 2,786.54 and 1,135.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.24 : 2,786.54 = 1,135.10 : x
2. Step 2: Convert to fraction form
   2,019.24/2,786.54 = 1,135.10/x
3. Step 3: Cross multiply
   2,019.24x = 2,786.54 × 1,135.10
4. Step 4: Simplify right side
   2,019.24x = 3,163,002.84
5. Step 5: Solve for x
   x = 3,163,002.84/2,019.24
6. Step 6: Final answer
   x = 1,566.43