Finding the Fourth Proportional to 3,766.68, 5,197.59 and 2,087.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,766.68 : 5,197.59 = 2,087.67 : x
2. Step 2: Convert to fraction form
   3,766.68/5,197.59 = 2,087.67/x
3. Step 3: Cross multiply
   3,766.68x = 5,197.59 × 2,087.67
4. Step 4: Simplify right side
   3,766.68x = 10,850,852.72
5. Step 5: Solve for x
   x = 10,850,852.72/3,766.68
6. Step 6: Final answer
   x = 2,880.75