Finding the Fourth Proportional to 2,205.33, 3,307.83 and 818.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,205.33 : 3,307.83 = 818.04 : x
2. Step 2: Convert to fraction form
   2,205.33/3,307.83 = 818.04/x
3. Step 3: Cross multiply
   2,205.33x = 3,307.83 × 818.04
4. Step 4: Simplify right side
   2,205.33x = 2,705,937.25
5. Step 5: Solve for x
   x = 2,705,937.25/2,205.33
6. Step 6: Final answer
   x = 1,227.00