Finding the Fourth Proportional to 3,765.88, 5,196.99 and 2,087.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,765.88 : 5,196.99 = 2,087.24 : x
2. Step 2: Convert to fraction form
   3,765.88/5,196.99 = 2,087.24/x
3. Step 3: Cross multiply
   3,765.88x = 5,196.99 × 2,087.24
4. Step 4: Simplify right side
   3,765.88x = 10,847,365.41
5. Step 5: Solve for x
   x = 10,847,365.41/3,765.88
6. Step 6: Final answer
   x = 2,880.43