Finding the Fourth Proportional to 3,686.63, 5,087.37 and 2,008.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686.63 : 5,087.37 = 2,008.02 : x
2. Step 2: Convert to fraction form
   3,686.63/5,087.37 = 2,008.02/x
3. Step 3: Cross multiply
   3,686.63x = 5,087.37 × 2,008.02
4. Step 4: Simplify right side
   3,686.63x = 10,215,567.32
5. Step 5: Solve for x
   x = 10,215,567.32/3,686.63
6. Step 6: Final answer
   x = 2,770.98