Finding the Fourth Proportional to 3,686.72, 5,087.17 and 2,093.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686.72 : 5,087.17 = 2,093.09 : x
2. Step 2: Convert to fraction form
   3,686.72/5,087.17 = 2,093.09/x
3. Step 3: Cross multiply
   3,686.72x = 5,087.17 × 2,093.09
4. Step 4: Simplify right side
   3,686.72x = 10,647,910.45
5. Step 5: Solve for x
   x = 10,647,910.45/3,686.72
6. Step 6: Final answer
   x = 2,888.18