Finding the Fourth Proportional to 33,081.66, 49,603.82 and 10,889.09

Step by Step Solution

1. Step 1: Write the proportion equation
   33,081.66 : 49,603.82 = 10,889.09 : x
2. Step 2: Convert to fraction form
   33,081.66/49,603.82 = 10,889.09/x
3. Step 3: Cross multiply
   33,081.66x = 49,603.82 × 10,889.09
4. Step 4: Simplify right side
   33,081.66x = 540,140,157.86
5. Step 5: Solve for x
   x = 540,140,157.86/33,081.66
6. Step 6: Final answer
   x = 16,327.48