Finding the Fourth Proportional to 2,067.89, 2,853.74 and 1,136.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.89 : 2,853.74 = 1,136.39 : x
2. Step 2: Convert to fraction form
   2,067.89/2,853.74 = 1,136.39/x
3. Step 3: Cross multiply
   2,067.89x = 2,853.74 × 1,136.39
4. Step 4: Simplify right side
   2,067.89x = 3,242,961.60
5. Step 5: Solve for x
   x = 3,242,961.60/2,067.89
6. Step 6: Final answer
   x = 1,568.25