Finding the Fourth Proportional to 5,308.05, 7,328.32 and 3,517.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,308.05 : 7,328.32 = 3,517.05 : x
2. Step 2: Convert to fraction form
   5,308.05/7,328.32 = 3,517.05/x
3. Step 3: Cross multiply
   5,308.05x = 7,328.32 × 3,517.05
4. Step 4: Simplify right side
   5,308.05x = 25,774,067.86
5. Step 5: Solve for x
   x = 25,774,067.86/5,308.05
6. Step 6: Final answer
   x = 4,855.66