Finding the Fourth Proportional to 1,869.69, 2,579.33 and 1,083.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,869.69 : 2,579.33 = 1,083.32 : x
2. Step 2: Convert to fraction form
   1,869.69/2,579.33 = 1,083.32/x
3. Step 3: Cross multiply
   1,869.69x = 2,579.33 × 1,083.32
4. Step 4: Simplify right side
   1,869.69x = 2,794,229.59
5. Step 5: Solve for x
   x = 2,794,229.59/1,869.69
6. Step 6: Final answer
   x = 1,494.49