Finding the Fourth Proportional to 3,950.39, 5,447.89 and 3,636.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,950.39 : 5,447.89 = 3,636.34 : x
2. Step 2: Convert to fraction form
   3,950.39/5,447.89 = 3,636.34/x
3. Step 3: Cross multiply
   3,950.39x = 5,447.89 × 3,636.34
4. Step 4: Simplify right side
   3,950.39x = 19,810,380.32
5. Step 5: Solve for x
   x = 19,810,380.32/3,950.39
6. Step 6: Final answer
   x = 5,014.79