Finding the Fourth Proportional to 3,986.37, 5,950.37 and 3,697.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,986.37 : 5,950.37 = 3,697.25 : x
2. Step 2: Convert to fraction form
   3,986.37/5,950.37 = 3,697.25/x
3. Step 3: Cross multiply
   3,986.37x = 5,950.37 × 3,697.25
4. Step 4: Simplify right side
   3,986.37x = 21,999,984.97
5. Step 5: Solve for x
   x = 21,999,984.97/3,986.37
6. Step 6: Final answer
   x = 5,518.80