Finding the Fourth Proportional to 12,168.97, 18,255.71 and 3,851.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,168.97 : 18,255.71 = 3,851.08 : x
2. Step 2: Convert to fraction form
   12,168.97/18,255.71 = 3,851.08/x
3. Step 3: Cross multiply
   12,168.97x = 18,255.71 × 3,851.08
4. Step 4: Simplify right side
   12,168.97x = 70,304,266.34
5. Step 5: Solve for x
   x = 70,304,266.34/12,168.97
6. Step 6: Final answer
   x = 5,777.34