Finding the Fourth Proportional to 1,896.83, 2,843.56 and 1,019.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,896.83 : 2,843.56 = 1,019.80 : x
2. Step 2: Convert to fraction form
   1,896.83/2,843.56 = 1,019.80/x
3. Step 3: Cross multiply
   1,896.83x = 2,843.56 × 1,019.80
4. Step 4: Simplify right side
   1,896.83x = 2,899,853.58
5. Step 5: Solve for x
   x = 2,899,853.58/1,896.83
6. Step 6: Final answer
   x = 1,528.79