Finding the Fourth Proportional to 2,270.82, 3,404.10 and 885.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,270.82 : 3,404.10 = 885.05 : x
2. Step 2: Convert to fraction form
   2,270.82/3,404.10 = 885.05/x
3. Step 3: Cross multiply
   2,270.82x = 3,404.10 × 885.05
4. Step 4: Simplify right side
   2,270.82x = 3,012,781.68
5. Step 5: Solve for x
   x = 3,012,781.68/2,270.82
6. Step 6: Final answer
   x = 1,326.74