Finding the Fourth Proportional to 6,325, 8,728.50 and 3,530.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,325 : 8,728.50 = 3,530.50 : x
2. Step 2: Convert to fraction form
   6,325/8,728.50 = 3,530.50/x
3. Step 3: Cross multiply
   6,325x = 8,728.50 × 3,530.50
4. Step 4: Simplify right side
   6,325x = 30,815,969.25
5. Step 5: Solve for x
   x = 30,815,969.25/6,325
6. Step 6: Final answer
   x = 4,872.09