Finding the Fourth Proportional to 33,123.50, 49,685.28 and 8,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,123.50 : 49,685.28 = 8,499.50 : x
2. Step 2: Convert to fraction form
   33,123.50/49,685.28 = 8,499.50/x
3. Step 3: Cross multiply
   33,123.50x = 49,685.28 × 8,499.50
4. Step 4: Simplify right side
   33,123.50x = 422,300,037.36
5. Step 5: Solve for x
   x = 422,300,037.36/33,123.50
6. Step 6: Final answer
   x = 12,749.26