Finding the Fourth Proportional to 6,479.38, 8,942.33 and 3,647.81

Step by Step Solution

1. Step 1: Write the proportion equation
   6,479.38 : 8,942.33 = 3,647.81 : x
2. Step 2: Convert to fraction form
   6,479.38/8,942.33 = 3,647.81/x
3. Step 3: Cross multiply
   6,479.38x = 8,942.33 × 3,647.81
4. Step 4: Simplify right side
   6,479.38x = 32,619,902.56
5. Step 5: Solve for x
   x = 32,619,902.56/6,479.38
6. Step 6: Final answer
   x = 5,034.42