Finding the Fourth Proportional to 3,661.38, 5,481.29 and 2,270.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,661.38 : 5,481.29 = 2,270.25 : x
2. Step 2: Convert to fraction form
   3,661.38/5,481.29 = 2,270.25/x
3. Step 3: Cross multiply
   3,661.38x = 5,481.29 × 2,270.25
4. Step 4: Simplify right side
   3,661.38x = 12,443,887.27
5. Step 5: Solve for x
   x = 12,443,887.27/3,661.38
6. Step 6: Final answer
   x = 3,398.69