Finding the Fourth Proportional to 2,269.37, 3,404.38 and 808.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.37 : 3,404.38 = 808.18 : x
2. Step 2: Convert to fraction form
   2,269.37/3,404.38 = 808.18/x
3. Step 3: Cross multiply
   2,269.37x = 3,404.38 × 808.18
4. Step 4: Simplify right side
   2,269.37x = 2,751,342.81
5. Step 5: Solve for x
   x = 2,751,342.81/2,269.37
6. Step 6: Final answer
   x = 1,212.38