Finding the Fourth Proportional to 2,068.39, 2,854.43 and 1,136.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.39 : 2,854.43 = 1,136.89 : x
2. Step 2: Convert to fraction form
   2,068.39/2,854.43 = 1,136.89/x
3. Step 3: Cross multiply
   2,068.39x = 2,854.43 × 1,136.89
4. Step 4: Simplify right side
   2,068.39x = 3,245,172.92
5. Step 5: Solve for x
   x = 3,245,172.92/2,068.39
6. Step 6: Final answer
   x = 1,568.94