Finding the Fourth Proportional to 5,200.97, 7,175.27 and 3,208.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200.97 : 7,175.27 = 3,208.05 : x
2. Step 2: Convert to fraction form
   5,200.97/7,175.27 = 3,208.05/x
3. Step 3: Cross multiply
   5,200.97x = 7,175.27 × 3,208.05
4. Step 4: Simplify right side
   5,200.97x = 23,018,608.88
5. Step 5: Solve for x
   x = 23,018,608.88/5,200.97
6. Step 6: Final answer
   x = 4,425.83