Finding the Fourth Proportional to 9,401.43, 14,108.52 and 3,855.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,401.43 : 14,108.52 = 3,855.78 : x
2. Step 2: Convert to fraction form
   9,401.43/14,108.52 = 3,855.78/x
3. Step 3: Cross multiply
   9,401.43x = 14,108.52 × 3,855.78
4. Step 4: Simplify right side
   9,401.43x = 54,399,349.25
5. Step 5: Solve for x
   x = 54,399,349.25/9,401.43
6. Step 6: Final answer
   x = 5,786.28