Finding the Fourth Proportional to 33,074.30, 49,618.28 and 10,889

Step by Step Solution

1. Step 1: Write the proportion equation
   33,074.30 : 49,618.28 = 10,889 : x
2. Step 2: Convert to fraction form
   33,074.30/49,618.28 = 10,889/x
3. Step 3: Cross multiply
   33,074.30x = 49,618.28 × 10,889
4. Step 4: Simplify right side
   33,074.30x = 540,293,450.92
5. Step 5: Solve for x
   x = 540,293,450.92/33,074.30
6. Step 6: Final answer
   x = 16,335.75