Finding the Fourth Proportional to 9,401.05, 14,103.20 and 3,857.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,401.05 : 14,103.20 = 3,857.41 : x
2. Step 2: Convert to fraction form
   9,401.05/14,103.20 = 3,857.41/x
3. Step 3: Cross multiply
   9,401.05x = 14,103.20 × 3,857.41
4. Step 4: Simplify right side
   9,401.05x = 54,401,824.71
5. Step 5: Solve for x
   x = 54,401,824.71/9,401.05
6. Step 6: Final answer
   x = 5,786.78