Finding the Fourth Proportional to 6,410.81, 8,847.17 and 3,616.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,410.81 : 8,847.17 = 3,616.25 : x
2. Step 2: Convert to fraction form
   6,410.81/8,847.17 = 3,616.25/x
3. Step 3: Cross multiply
   6,410.81x = 8,847.17 × 3,616.25
4. Step 4: Simplify right side
   6,410.81x = 31,993,560.43
5. Step 5: Solve for x
   x = 31,993,560.43/6,410.81
6. Step 6: Final answer
   x = 4,990.56