Finding the Fourth Proportional to 3,686.72, 5,087.58 and 2,008.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686.72 : 5,087.58 = 2,008.17 : x
2. Step 2: Convert to fraction form
   3,686.72/5,087.58 = 2,008.17/x
3. Step 3: Cross multiply
   3,686.72x = 5,087.58 × 2,008.17
4. Step 4: Simplify right side
   3,686.72x = 10,216,720.63
5. Step 5: Solve for x
   x = 10,216,720.63/3,686.72
6. Step 6: Final answer
   x = 2,771.23