Finding the Fourth Proportional to 3,765.88, 5,196.79 and 2,087.36

Step by Step Solution

1. Step 1: Write the proportion equation
   3,765.88 : 5,196.79 = 2,087.36 : x
2. Step 2: Convert to fraction form
   3,765.88/5,196.79 = 2,087.36/x
3. Step 3: Cross multiply
   3,765.88x = 5,196.79 × 2,087.36
4. Step 4: Simplify right side
   3,765.88x = 10,847,571.57
5. Step 5: Solve for x
   x = 10,847,571.57/3,765.88
6. Step 6: Final answer
   x = 2,880.49