Finding the Fourth Proportional to 6,429.25, 8,874 and 3,636.37

Step by Step Solution

1. Step 1: Write the proportion equation
   6,429.25 : 8,874 = 3,636.37 : x
2. Step 2: Convert to fraction form
   6,429.25/8,874 = 3,636.37/x
3. Step 3: Cross multiply
   6,429.25x = 8,874 × 3,636.37
4. Step 4: Simplify right side
   6,429.25x = 32,269,147.38
5. Step 5: Solve for x
   x = 32,269,147.38/6,429.25
6. Step 6: Final answer
   x = 5,019.12