Finding the Fourth Proportional to 3,962.70, 5,466.81 and 2,389.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,962.70 : 5,466.81 = 2,389.89 : x
2. Step 2: Convert to fraction form
   3,962.70/5,466.81 = 2,389.89/x
3. Step 3: Cross multiply
   3,962.70x = 5,466.81 × 2,389.89
4. Step 4: Simplify right side
   3,962.70x = 13,065,074.55
5. Step 5: Solve for x
   x = 13,065,074.55/3,962.70
6. Step 6: Final answer
   x = 3,297.01