Finding the Fourth Proportional to 3,984.10, 5,949.20 and 3,465.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984.10 : 5,949.20 = 3,465.30 : x
2. Step 2: Convert to fraction form
   3,984.10/5,949.20 = 3,465.30/x
3. Step 3: Cross multiply
   3,984.10x = 5,949.20 × 3,465.30
4. Step 4: Simplify right side
   3,984.10x = 20,615,762.76
5. Step 5: Solve for x
   x = 20,615,762.76/3,984.10
6. Step 6: Final answer
   x = 5,174.51