Finding the Fourth Proportional to 33,105.78, 49,648.14 and 10,915.02

Step by Step Solution

1. Step 1: Write the proportion equation
   33,105.78 : 49,648.14 = 10,915.02 : x
2. Step 2: Convert to fraction form
   33,105.78/49,648.14 = 10,915.02/x
3. Step 3: Cross multiply
   33,105.78x = 49,648.14 × 10,915.02
4. Step 4: Simplify right side
   33,105.78x = 541,910,441.06
5. Step 5: Solve for x
   x = 541,910,441.06/33,105.78
6. Step 6: Final answer
   x = 16,369.06