Finding the Fourth Proportional to 3,836.39, 5,720.81 and 3,533.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,836.39 : 5,720.81 = 3,533.45 : x
2. Step 2: Convert to fraction form
   3,836.39/5,720.81 = 3,533.45/x
3. Step 3: Cross multiply
   3,836.39x = 5,720.81 × 3,533.45
4. Step 4: Simplify right side
   3,836.39x = 20,214,149.82
5. Step 5: Solve for x
   x = 20,214,149.82/3,836.39
6. Step 6: Final answer
   x = 5,269.06