Finding the Fourth Proportional to 33,072.80, 49,616.03 and 10,887.51

Step by Step Solution

1. Step 1: Write the proportion equation
   33,072.80 : 49,616.03 = 10,887.51 : x
2. Step 2: Convert to fraction form
   33,072.80/49,616.03 = 10,887.51/x
3. Step 3: Cross multiply
   33,072.80x = 49,616.03 × 10,887.51
4. Step 4: Simplify right side
   33,072.80x = 540,194,720.27
5. Step 5: Solve for x
   x = 540,194,720.27/33,072.80
6. Step 6: Final answer
   x = 16,333.51