Finding the Fourth Proportional to 33,124.50, 49,674.60 and 10,931.31

Step by Step Solution

1. Step 1: Write the proportion equation
   33,124.50 : 49,674.60 = 10,931.31 : x
2. Step 2: Convert to fraction form
   33,124.50/49,674.60 = 10,931.31/x
3. Step 3: Cross multiply
   33,124.50x = 49,674.60 × 10,931.31
4. Step 4: Simplify right side
   33,124.50x = 543,008,451.73
5. Step 5: Solve for x
   x = 543,008,451.73/33,124.50
6. Step 6: Final answer
   x = 16,392.96