Finding the Fourth Proportional to 2,550.01, 3,824.20 and 818.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.01 : 3,824.20 = 818.23 : x
2. Step 2: Convert to fraction form
   2,550.01/3,824.20 = 818.23/x
3. Step 3: Cross multiply
   2,550.01x = 3,824.20 × 818.23
4. Step 4: Simplify right side
   2,550.01x = 3,129,061.89
5. Step 5: Solve for x
   x = 3,129,061.89/2,550.01
6. Step 6: Final answer
   x = 1,227.08