Finding the Fourth Proportional to 8,160.54, 12,241.24 and 3,481.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,160.54 : 12,241.24 = 3,481.18 : x
2. Step 2: Convert to fraction form
   8,160.54/12,241.24 = 3,481.18/x
3. Step 3: Cross multiply
   8,160.54x = 12,241.24 × 3,481.18
4. Step 4: Simplify right side
   8,160.54x = 42,613,959.86
5. Step 5: Solve for x
   x = 42,613,959.86/8,160.54
6. Step 6: Final answer
   x = 5,221.95