Finding the Fourth Proportional to 3,658.50, 5,049.63 and 2,087.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,658.50 : 5,049.63 = 2,087.51 : x
2. Step 2: Convert to fraction form
   3,658.50/5,049.63 = 2,087.51/x
3. Step 3: Cross multiply
   3,658.50x = 5,049.63 × 2,087.51
4. Step 4: Simplify right side
   3,658.50x = 10,541,127.87
5. Step 5: Solve for x
   x = 10,541,127.87/3,658.50
6. Step 6: Final answer
   x = 2,881.27