Finding the Fourth Proportional to 2,019.10, 2,786.16 and 1,134.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.10 : 2,786.16 = 1,134.88 : x
2. Step 2: Convert to fraction form
   2,019.10/2,786.16 = 1,134.88/x
3. Step 3: Cross multiply
   2,019.10x = 2,786.16 × 1,134.88
4. Step 4: Simplify right side
   2,019.10x = 3,161,957.26
5. Step 5: Solve for x
   x = 3,161,957.26/2,019.10
6. Step 6: Final answer
   x = 1,566.02