Finding the Fourth Proportional to 6,396.16, 8,825.82 and 3,601.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,396.16 : 8,825.82 = 3,601.72 : x
2. Step 2: Convert to fraction form
   6,396.16/8,825.82 = 3,601.72/x
3. Step 3: Cross multiply
   6,396.16x = 8,825.82 × 3,601.72
4. Step 4: Simplify right side
   6,396.16x = 31,788,132.41
5. Step 5: Solve for x
   x = 31,788,132.41/6,396.16
6. Step 6: Final answer
   x = 4,969.88