Finding the Fourth Proportional to 8,410.43, 12,617.17 and 3,477.40

Step by Step Solution

1. Step 1: Write the proportion equation
   8,410.43 : 12,617.17 = 3,477.40 : x
2. Step 2: Convert to fraction form
   8,410.43/12,617.17 = 3,477.40/x
3. Step 3: Cross multiply
   8,410.43x = 12,617.17 × 3,477.40
4. Step 4: Simplify right side
   8,410.43x = 43,874,906.72
5. Step 5: Solve for x
   x = 43,874,906.72/8,410.43
6. Step 6: Final answer
   x = 5,216.72