Finding the Fourth Proportional to 33,100.45, 49,650.23 and 8,140.71

Step by Step Solution

1. Step 1: Write the proportion equation
   33,100.45 : 49,650.23 = 8,140.71 : x
2. Step 2: Convert to fraction form
   33,100.45/49,650.23 = 8,140.71/x
3. Step 3: Cross multiply
   33,100.45x = 49,650.23 × 8,140.71
4. Step 4: Simplify right side
   33,100.45x = 404,187,834.91
5. Step 5: Solve for x
   x = 404,187,834.91/33,100.45
6. Step 6: Final answer
   x = 12,210.95