Finding the Fourth Proportional to 3,972.34, 5,481.57 and 2,401.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,972.34 : 5,481.57 = 2,401.30 : x
2. Step 2: Convert to fraction form
   3,972.34/5,481.57 = 2,401.30/x
3. Step 3: Cross multiply
   3,972.34x = 5,481.57 × 2,401.30
4. Step 4: Simplify right side
   3,972.34x = 13,162,894.04
5. Step 5: Solve for x
   x = 13,162,894.04/3,972.34
6. Step 6: Final answer
   x = 3,313.64