Finding the Fourth Proportional to 2,550.01, 3,518.76 and 1,555.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.01 : 3,518.76 = 1,555.53 : x
2. Step 2: Convert to fraction form
   2,550.01/3,518.76 = 1,555.53/x
3. Step 3: Cross multiply
   2,550.01x = 3,518.76 × 1,555.53
4. Step 4: Simplify right side
   2,550.01x = 5,473,545.54
5. Step 5: Solve for x
   x = 5,473,545.54/2,550.01
6. Step 6: Final answer
   x = 2,146.48