Finding the Fourth Proportional to 3,504.77, 5,258.57 and 3,449.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,504.77 : 5,258.57 = 3,449.49 : x
2. Step 2: Convert to fraction form
   3,504.77/5,258.57 = 3,449.49/x
3. Step 3: Cross multiply
   3,504.77x = 5,258.57 × 3,449.49
4. Step 4: Simplify right side
   3,504.77x = 18,139,367.38
5. Step 5: Solve for x
   x = 18,139,367.38/3,504.77
6. Step 6: Final answer
   x = 5,175.63