Finding the Fourth Proportional to 3,678.81, 5,081.68 and 3,625.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,678.81 : 5,081.68 = 3,625.27 : x
2. Step 2: Convert to fraction form
   3,678.81/5,081.68 = 3,625.27/x
3. Step 3: Cross multiply
   3,678.81x = 5,081.68 × 3,625.27
4. Step 4: Simplify right side
   3,678.81x = 18,422,462.05
5. Step 5: Solve for x
   x = 18,422,462.05/3,678.81
6. Step 6: Final answer
   x = 5,007.72