Finding the Fourth Proportional to 6,397.92, 8,829.27 and 3,603.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,397.92 : 8,829.27 = 3,603.42 : x
2. Step 2: Convert to fraction form
   6,397.92/8,829.27 = 3,603.42/x
3. Step 3: Cross multiply
   6,397.92x = 8,829.27 × 3,603.42
4. Step 4: Simplify right side
   6,397.92x = 31,815,568.10
5. Step 5: Solve for x
   x = 31,815,568.10/6,397.92
6. Step 6: Final answer
   x = 4,972.80