Finding the Fourth Proportional to 8,127.96, 12,196.96 and 3,196.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,127.96 : 12,196.96 = 3,196.76 : x
2. Step 2: Convert to fraction form
   8,127.96/12,196.96 = 3,196.76/x
3. Step 3: Cross multiply
   8,127.96x = 12,196.96 × 3,196.76
4. Step 4: Simplify right side
   8,127.96x = 38,990,753.85
5. Step 5: Solve for x
   x = 38,990,753.85/8,127.96
6. Step 6: Final answer
   x = 4,797.11