Finding the Fourth Proportional to 8,127.06, 12,188.49 and 3,196.73

Step by Step Solution

1. Step 1: Write the proportion equation
   8,127.06 : 12,188.49 = 3,196.73 : x
2. Step 2: Convert to fraction form
   8,127.06/12,188.49 = 3,196.73/x
3. Step 3: Cross multiply
   8,127.06x = 12,188.49 × 3,196.73
4. Step 4: Simplify right side
   8,127.06x = 38,963,250.70
5. Step 5: Solve for x
   x = 38,963,250.70/8,127.06
6. Step 6: Final answer
   x = 4,794.26