Finding the Fourth Proportional to 8,496.30, 12,739.50 and 3,296.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,496.30 : 12,739.50 = 3,296.10 : x
2. Step 2: Convert to fraction form
   8,496.30/12,739.50 = 3,296.10/x
3. Step 3: Cross multiply
   8,496.30x = 12,739.50 × 3,296.10
4. Step 4: Simplify right side
   8,496.30x = 41,990,665.95
5. Step 5: Solve for x
   x = 41,990,665.95/8,496.30
6. Step 6: Final answer
   x = 4,942.23