Finding the Fourth Proportional to 33,118.91, 49,667.82 and 10,928.15

Step by Step Solution

1. Step 1: Write the proportion equation
   33,118.91 : 49,667.82 = 10,928.15 : x
2. Step 2: Convert to fraction form
   33,118.91/49,667.82 = 10,928.15/x
3. Step 3: Cross multiply
   33,118.91x = 49,667.82 × 10,928.15
4. Step 4: Simplify right side
   33,118.91x = 542,777,138.79
5. Step 5: Solve for x
   x = 542,777,138.79/33,118.91
6. Step 6: Final answer
   x = 16,388.74