Finding the Fourth Proportional to 33,098.69, 49,647.60 and 8,138.95

Step by Step Solution

1. Step 1: Write the proportion equation
   33,098.69 : 49,647.60 = 8,138.95 : x
2. Step 2: Convert to fraction form
   33,098.69/49,647.60 = 8,138.95/x
3. Step 3: Cross multiply
   33,098.69x = 49,647.60 × 8,138.95
4. Step 4: Simplify right side
   33,098.69x = 404,079,504.43
5. Step 5: Solve for x
   x = 404,079,504.43/33,098.69
6. Step 6: Final answer
   x = 12,208.32