Finding the Fourth Proportional to 3,836.88, 5,761.08 and 3,651.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,836.88 : 5,761.08 = 3,651.57 : x
2. Step 2: Convert to fraction form
   3,836.88/5,761.08 = 3,651.57/x
3. Step 3: Cross multiply
   3,836.88x = 5,761.08 × 3,651.57
4. Step 4: Simplify right side
   3,836.88x = 21,036,986.90
5. Step 5: Solve for x
   x = 21,036,986.90/3,836.88
6. Step 6: Final answer
   x = 5,482.84