Finding the Fourth Proportional to 3,659.44, 5,049.98 and 2,087.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,659.44 : 5,049.98 = 2,087.56 : x
2. Step 2: Convert to fraction form
   3,659.44/5,049.98 = 2,087.56/x
3. Step 3: Cross multiply
   3,659.44x = 5,049.98 × 2,087.56
4. Step 4: Simplify right side
   3,659.44x = 10,542,136.25
5. Step 5: Solve for x
   x = 10,542,136.25/3,659.44
6. Step 6: Final answer
   x = 2,880.81