Finding the Fourth Proportional to 3,661.30, 5,481.15 and 2,270.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,661.30 : 5,481.15 = 2,270.16 : x
2. Step 2: Convert to fraction form
   3,661.30/5,481.15 = 2,270.16/x
3. Step 3: Cross multiply
   3,661.30x = 5,481.15 × 2,270.16
4. Step 4: Simplify right side
   3,661.30x = 12,443,091.74
5. Step 5: Solve for x
   x = 12,443,091.74/3,661.30
6. Step 6: Final answer
   x = 3,398.54