Finding the Fourth Proportional to 6,399.48, 8,831.24 and 3,566.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,399.48 : 8,831.24 = 3,566.88 : x
2. Step 2: Convert to fraction form
   6,399.48/8,831.24 = 3,566.88/x
3. Step 3: Cross multiply
   6,399.48x = 8,831.24 × 3,566.88
4. Step 4: Simplify right side
   6,399.48x = 31,499,973.33
5. Step 5: Solve for x
   x = 31,499,973.33/6,399.48
6. Step 6: Final answer
   x = 4,922.27