Finding the Fourth Proportional to 33,091.52, 49,643.46 and 10,905.80

Step by Step Solution

1. Step 1: Write the proportion equation
   33,091.52 : 49,643.46 = 10,905.80 : x
2. Step 2: Convert to fraction form
   33,091.52/49,643.46 = 10,905.80/x
3. Step 3: Cross multiply
   33,091.52x = 49,643.46 × 10,905.80
4. Step 4: Simplify right side
   33,091.52x = 541,401,397.85
5. Step 5: Solve for x
   x = 541,401,397.85/33,091.52
6. Step 6: Final answer
   x = 16,360.73