Finding the Fourth Proportional to 5,389.50, 8,083.83 and 2,103.33

Step by Step Solution

1. Step 1: Write the proportion equation
   5,389.50 : 8,083.83 = 2,103.33 : x
2. Step 2: Convert to fraction form
   5,389.50/8,083.83 = 2,103.33/x
3. Step 3: Cross multiply
   5,389.50x = 8,083.83 × 2,103.33
4. Step 4: Simplify right side
   5,389.50x = 17,002,962.15
5. Step 5: Solve for x
   x = 17,002,962.15/5,389.50
6. Step 6: Final answer
   x = 3,154.83