Finding the Fourth Proportional to 12,109.76, 18,164.60 and 3,344.65

Step by Step Solution

1. Step 1: Write the proportion equation
   12,109.76 : 18,164.60 = 3,344.65 : x
2. Step 2: Convert to fraction form
   12,109.76/18,164.60 = 3,344.65/x
3. Step 3: Cross multiply
   12,109.76x = 18,164.60 × 3,344.65
4. Step 4: Simplify right side
   12,109.76x = 60,754,229.39
5. Step 5: Solve for x
   x = 60,754,229.39/12,109.76
6. Step 6: Final answer
   x = 5,016.96