Finding the Fourth Proportional to 6,395.88, 8,823.72 and 3,913.32

Step by Step Solution

1. Step 1: Write the proportion equation
   6,395.88 : 8,823.72 = 3,913.32 : x
2. Step 2: Convert to fraction form
   6,395.88/8,823.72 = 3,913.32/x
3. Step 3: Cross multiply
   6,395.88x = 8,823.72 × 3,913.32
4. Step 4: Simplify right side
   6,395.88x = 34,530,039.95
5. Step 5: Solve for x
   x = 34,530,039.95/6,395.88
6. Step 6: Final answer
   x = 5,398.79