Finding the Fourth Proportional to 12,168.46, 18,251.09 and 3,849.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,168.46 : 18,251.09 = 3,849.31 : x
2. Step 2: Convert to fraction form
   12,168.46/18,251.09 = 3,849.31/x
3. Step 3: Cross multiply
   12,168.46x = 18,251.09 × 3,849.31
4. Step 4: Simplify right side
   12,168.46x = 70,254,103.25
5. Step 5: Solve for x
   x = 70,254,103.25/12,168.46
6. Step 6: Final answer
   x = 5,773.46