Finding the Fourth Proportional to 2,083.69, 2,874.99 and 1,297.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.69 : 2,874.99 = 1,297.18 : x
2. Step 2: Convert to fraction form
   2,083.69/2,874.99 = 1,297.18/x
3. Step 3: Cross multiply
   2,083.69x = 2,874.99 × 1,297.18
4. Step 4: Simplify right side
   2,083.69x = 3,729,379.53
5. Step 5: Solve for x
   x = 3,729,379.53/2,083.69
6. Step 6: Final answer
   x = 1,789.80