Finding the Fourth Proportional to 3,766.09, 5,197.25 and 2,087.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,766.09 : 5,197.25 = 2,087.53 : x
2. Step 2: Convert to fraction form
   3,766.09/5,197.25 = 2,087.53/x
3. Step 3: Cross multiply
   3,766.09x = 5,197.25 × 2,087.53
4. Step 4: Simplify right side
   3,766.09x = 10,849,404.85
5. Step 5: Solve for x
   x = 10,849,404.85/3,766.09
6. Step 6: Final answer
   x = 2,880.81