Finding the Fourth Proportional to 6,398.10, 8,829.72 and 3,745.71

Step by Step Solution

1. Step 1: Write the proportion equation
   6,398.10 : 8,829.72 = 3,745.71 : x
2. Step 2: Convert to fraction form
   6,398.10/8,829.72 = 3,745.71/x
3. Step 3: Cross multiply
   6,398.10x = 8,829.72 × 3,745.71
4. Step 4: Simplify right side
   6,398.10x = 33,073,570.50
5. Step 5: Solve for x
   x = 33,073,570.50/6,398.10
6. Step 6: Final answer
   x = 5,169.28