Finding the Fourth Proportional to 6,664.69, 9,196.84 and 3,831.39

Step by Step Solution

1. Step 1: Write the proportion equation
   6,664.69 : 9,196.84 = 3,831.39 : x
2. Step 2: Convert to fraction form
   6,664.69/9,196.84 = 3,831.39/x
3. Step 3: Cross multiply
   6,664.69x = 9,196.84 × 3,831.39
4. Step 4: Simplify right side
   6,664.69x = 35,236,680.81
5. Step 5: Solve for x
   x = 35,236,680.81/6,664.69
6. Step 6: Final answer
   x = 5,287.07