Finding the Fourth Proportional to 2,550.27, 3,518.37 and 1,553.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.27 : 3,518.37 = 1,553.83 : x
2. Step 2: Convert to fraction form
   2,550.27/3,518.37 = 1,553.83/x
3. Step 3: Cross multiply
   2,550.27x = 3,518.37 × 1,553.83
4. Step 4: Simplify right side
   2,550.27x = 5,466,940.06
5. Step 5: Solve for x
   x = 5,466,940.06/2,550.27
6. Step 6: Final answer
   x = 2,143.67