Finding the Fourth Proportional to 33,250.72, 49,884.72 and 12,480.16

Step by Step Solution

1. Step 1: Write the proportion equation
   33,250.72 : 49,884.72 = 12,480.16 : x
2. Step 2: Convert to fraction form
   33,250.72/49,884.72 = 12,480.16/x
3. Step 3: Cross multiply
   33,250.72x = 49,884.72 × 12,480.16
4. Step 4: Simplify right side
   33,250.72x = 622,569,287.16
5. Step 5: Solve for x
   x = 622,569,287.16/33,250.72
6. Step 6: Final answer
   x = 18,723.48