Finding the Fourth Proportional to 3,978.32, 5,495.24 and 3,028.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978.32 : 5,495.24 = 3,028.34 : x
2. Step 2: Convert to fraction form
   3,978.32/5,495.24 = 3,028.34/x
3. Step 3: Cross multiply
   3,978.32x = 5,495.24 × 3,028.34
4. Step 4: Simplify right side
   3,978.32x = 16,641,455.10
5. Step 5: Solve for x
   x = 16,641,455.10/3,978.32
6. Step 6: Final answer
   x = 4,183.04