Finding the Fourth Proportional to 3,969.56, 5,477.10 and 2,397.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,969.56 : 5,477.10 = 2,397.62 : x
2. Step 2: Convert to fraction form
   3,969.56/5,477.10 = 2,397.62/x
3. Step 3: Cross multiply
   3,969.56x = 5,477.10 × 2,397.62
4. Step 4: Simplify right side
   3,969.56x = 13,132,004.50
5. Step 5: Solve for x
   x = 13,132,004.50/3,969.56
6. Step 6: Final answer
   x = 3,308.18