Finding the Fourth Proportional to 3,485.33, 4,800.87 and 3,255.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,485.33 : 4,800.87 = 3,255.69 : x
2. Step 2: Convert to fraction form
   3,485.33/4,800.87 = 3,255.69/x
3. Step 3: Cross multiply
   3,485.33x = 4,800.87 × 3,255.69
4. Step 4: Simplify right side
   3,485.33x = 15,630,144.45
5. Step 5: Solve for x
   x = 15,630,144.45/3,485.33
6. Step 6: Final answer
   x = 4,484.56