Finding the Fourth Proportional to 2,550.52, 3,524.55 and 2,172.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.52 : 3,524.55 = 2,172.35 : x
2. Step 2: Convert to fraction form
   2,550.52/3,524.55 = 2,172.35/x
3. Step 3: Cross multiply
   2,550.52x = 3,524.55 × 2,172.35
4. Step 4: Simplify right side
   2,550.52x = 7,656,556.19
5. Step 5: Solve for x
   x = 7,656,556.19/2,550.52
6. Step 6: Final answer
   x = 3,001.96