Finding the Fourth Proportional to 6,399.32, 8,831.12 and 3,746.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,399.32 : 8,831.12 = 3,746.82 : x
2. Step 2: Convert to fraction form
   6,399.32/8,831.12 = 3,746.82/x
3. Step 3: Cross multiply
   6,399.32x = 8,831.12 × 3,746.82
4. Step 4: Simplify right side
   6,399.32x = 33,088,617.04
5. Step 5: Solve for x
   x = 33,088,617.04/6,399.32
6. Step 6: Final answer
   x = 5,170.65