Finding the Fourth Proportional to 2,550.04, 3,518.50 and 1,553.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.04 : 3,518.50 = 1,553.55 : x
2. Step 2: Convert to fraction form
   2,550.04/3,518.50 = 1,553.55/x
3. Step 3: Cross multiply
   2,550.04x = 3,518.50 × 1,553.55
4. Step 4: Simplify right side
   2,550.04x = 5,466,165.68
5. Step 5: Solve for x
   x = 5,466,165.68/2,550.04
6. Step 6: Final answer
   x = 2,143.56