Finding the Fourth Proportional to 33,827.72, 50,733.50 and 12,769.80

Step by Step Solution

1. Step 1: Write the proportion equation
   33,827.72 : 50,733.50 = 12,769.80 : x
2. Step 2: Convert to fraction form
   33,827.72/50,733.50 = 12,769.80/x
3. Step 3: Cross multiply
   33,827.72x = 50,733.50 × 12,769.80
4. Step 4: Simplify right side
   33,827.72x = 647,856,648.30
5. Step 5: Solve for x
   x = 647,856,648.30/33,827.72
6. Step 6: Final answer
   x = 19,151.65