Finding the Fourth Proportional to 3,659.07, 5,049.39 and 2,087.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,659.07 : 5,049.39 = 2,087.10 : x
2. Step 2: Convert to fraction form
   3,659.07/5,049.39 = 2,087.10/x
3. Step 3: Cross multiply
   3,659.07x = 5,049.39 × 2,087.10
4. Step 4: Simplify right side
   3,659.07x = 10,538,581.87
5. Step 5: Solve for x
   x = 10,538,581.87/3,659.07
6. Step 6: Final answer
   x = 2,880.13