Finding the Fourth Proportional to 33,271.62, 49,892.88 and 12,480.54

Step by Step Solution

1. Step 1: Write the proportion equation
   33,271.62 : 49,892.88 = 12,480.54 : x
2. Step 2: Convert to fraction form
   33,271.62/49,892.88 = 12,480.54/x
3. Step 3: Cross multiply
   33,271.62x = 49,892.88 × 12,480.54
4. Step 4: Simplify right side
   33,271.62x = 622,690,084.56
5. Step 5: Solve for x
   x = 622,690,084.56/33,271.62
6. Step 6: Final answer
   x = 18,715.35