Finding the Fourth Proportional to 3,838.99, 5,765.42 and 3,530.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,838.99 : 5,765.42 = 3,530.28 : x
2. Step 2: Convert to fraction form
   3,838.99/5,765.42 = 3,530.28/x
3. Step 3: Cross multiply
   3,838.99x = 5,765.42 × 3,530.28
4. Step 4: Simplify right side
   3,838.99x = 20,353,500.44
5. Step 5: Solve for x
   x = 20,353,500.44/3,838.99
6. Step 6: Final answer
   x = 5,301.79