Finding the Fourth Proportional to 2,269.86, 3,406.41 and 809.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.86 : 3,406.41 = 809.03 : x
2. Step 2: Convert to fraction form
   2,269.86/3,406.41 = 809.03/x
3. Step 3: Cross multiply
   2,269.86x = 3,406.41 × 809.03
4. Step 4: Simplify right side
   2,269.86x = 2,755,870.85
5. Step 5: Solve for x
   x = 2,755,870.85/2,269.86
6. Step 6: Final answer
   x = 1,214.11