Finding the Fourth Proportional to 3,914.17, 5,401.41 and 2,320.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914.17 : 5,401.41 = 2,320.09 : x
2. Step 2: Convert to fraction form
   3,914.17/5,401.41 = 2,320.09/x
3. Step 3: Cross multiply
   3,914.17x = 5,401.41 × 2,320.09
4. Step 4: Simplify right side
   3,914.17x = 12,531,757.33
5. Step 5: Solve for x
   x = 12,531,757.33/3,914.17
6. Step 6: Final answer
   x = 3,201.64