Finding the Fourth Proportional to 12,105.54, 18,159.36 and 3,340.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,105.54 : 18,159.36 = 3,340.46 : x
2. Step 2: Convert to fraction form
   12,105.54/18,159.36 = 3,340.46/x
3. Step 3: Cross multiply
   12,105.54x = 18,159.36 × 3,340.46
4. Step 4: Simplify right side
   12,105.54x = 60,660,512.38
5. Step 5: Solve for x
   x = 60,660,512.38/12,105.54
6. Step 6: Final answer
   x = 5,010.97