Finding the Fourth Proportional to 3,552.05, 5,320.49 and 3,449.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,552.05 : 5,320.49 = 3,449.39 : x
2. Step 2: Convert to fraction form
   3,552.05/5,320.49 = 3,449.39/x
3. Step 3: Cross multiply
   3,552.05x = 5,320.49 × 3,449.39
4. Step 4: Simplify right side
   3,552.05x = 18,352,401.15
5. Step 5: Solve for x
   x = 18,352,401.15/3,552.05
6. Step 6: Final answer
   x = 5,166.70