Finding the Fourth Proportional to 2,269.02, 3,403.89 and 808.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.02 : 3,403.89 = 808.56 : x
2. Step 2: Convert to fraction form
   2,269.02/3,403.89 = 808.56/x
3. Step 3: Cross multiply
   2,269.02x = 3,403.89 × 808.56
4. Step 4: Simplify right side
   2,269.02x = 2,752,249.30
5. Step 5: Solve for x
   x = 2,752,249.30/2,269.02
6. Step 6: Final answer
   x = 1,212.97