Finding the Fourth Proportional to 2,269.71, 3,404.43 and 808.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.71 : 3,404.43 = 808.47 : x
2. Step 2: Convert to fraction form
   2,269.71/3,404.43 = 808.47/x
3. Step 3: Cross multiply
   2,269.71x = 3,404.43 × 808.47
4. Step 4: Simplify right side
   2,269.71x = 2,752,379.52
5. Step 5: Solve for x
   x = 2,752,379.52/2,269.71
6. Step 6: Final answer
   x = 1,212.66