Finding the Fourth Proportional to 12,109.68, 18,164.56 and 3,344.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,109.68 : 18,164.56 = 3,344.40 : x
2. Step 2: Convert to fraction form
   12,109.68/18,164.56 = 3,344.40/x
3. Step 3: Cross multiply
   12,109.68x = 18,164.56 × 3,344.40
4. Step 4: Simplify right side
   12,109.68x = 60,749,554.46
5. Step 5: Solve for x
   x = 60,749,554.46/12,109.68
6. Step 6: Final answer
   x = 5,016.61