Finding the Fourth Proportional to 3,660.50, 5,050.18 and 2,087.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,660.50 : 5,050.18 = 2,087.69 : x
2. Step 2: Convert to fraction form
   3,660.50/5,050.18 = 2,087.69/x
3. Step 3: Cross multiply
   3,660.50x = 5,050.18 × 2,087.69
4. Step 4: Simplify right side
   3,660.50x = 10,543,187.64
5. Step 5: Solve for x
   x = 10,543,187.64/3,660.50
6. Step 6: Final answer
   x = 2,880.26