Finding the Fourth Proportional to 33,076.30, 49,621.28 and 10,891

Step by Step Solution

1. Step 1: Write the proportion equation
   33,076.30 : 49,621.28 = 10,891 : x
2. Step 2: Convert to fraction form
   33,076.30/49,621.28 = 10,891/x
3. Step 3: Cross multiply
   33,076.30x = 49,621.28 × 10,891
4. Step 4: Simplify right side
   33,076.30x = 540,425,360.48
5. Step 5: Solve for x
   x = 540,425,360.48/33,076.30
6. Step 6: Final answer
   x = 16,338.75