Finding the Fourth Proportional to 2,019.06, 2,786.04 and 1,134.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.06 : 2,786.04 = 1,134.72 : x
2. Step 2: Convert to fraction form
   2,019.06/2,786.04 = 1,134.72/x
3. Step 3: Cross multiply
   2,019.06x = 2,786.04 × 1,134.72
4. Step 4: Simplify right side
   2,019.06x = 3,161,375.31
5. Step 5: Solve for x
   x = 3,161,375.31/2,019.06
6. Step 6: Final answer
   x = 1,565.77