Finding the Fourth Proportional to 3,801.40, 5,243.82 and 2,401.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,801.40 : 5,243.82 = 2,401.72 : x
2. Step 2: Convert to fraction form
   3,801.40/5,243.82 = 2,401.72/x
3. Step 3: Cross multiply
   3,801.40x = 5,243.82 × 2,401.72
4. Step 4: Simplify right side
   3,801.40x = 12,594,187.37
5. Step 5: Solve for x
   x = 12,594,187.37/3,801.40
6. Step 6: Final answer
   x = 3,313.04