Finding the Fourth Proportional to 3,687.42, 5,087.25 and 2,270.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,687.42 : 5,087.25 = 2,270.82 : x
2. Step 2: Convert to fraction form
   3,687.42/5,087.25 = 2,270.82/x
3. Step 3: Cross multiply
   3,687.42x = 5,087.25 × 2,270.82
4. Step 4: Simplify right side
   3,687.42x = 11,552,229.05
5. Step 5: Solve for x
   x = 11,552,229.05/3,687.42
6. Step 6: Final answer
   x = 3,132.88