Finding the Fourth Proportional to 2,597.22, 3,896.01 and 818.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,597.22 : 3,896.01 = 818.04 : x
2. Step 2: Convert to fraction form
   2,597.22/3,896.01 = 818.04/x
3. Step 3: Cross multiply
   2,597.22x = 3,896.01 × 818.04
4. Step 4: Simplify right side
   2,597.22x = 3,187,092.02
5. Step 5: Solve for x
   x = 3,187,092.02/2,597.22
6. Step 6: Final answer
   x = 1,227.12