Finding the Fourth Proportional to 3,836.28, 5,710.83 and 3,657.36

Step by Step Solution

1. Step 1: Write the proportion equation
   3,836.28 : 5,710.83 = 3,657.36 : x
2. Step 2: Convert to fraction form
   3,836.28/5,710.83 = 3,657.36/x
3. Step 3: Cross multiply
   3,836.28x = 5,710.83 × 3,657.36
4. Step 4: Simplify right side
   3,836.28x = 20,886,561.21
5. Step 5: Solve for x
   x = 20,886,561.21/3,836.28
6. Step 6: Final answer
   x = 5,444.48