Finding the Fourth Proportional to 33,076.72, 49,618.20 and 10,890.32

Step by Step Solution

1. Step 1: Write the proportion equation
   33,076.72 : 49,618.20 = 10,890.32 : x
2. Step 2: Convert to fraction form
   33,076.72/49,618.20 = 10,890.32/x
3. Step 3: Cross multiply
   33,076.72x = 49,618.20 × 10,890.32
4. Step 4: Simplify right side
   33,076.72x = 540,358,075.82
5. Step 5: Solve for x
   x = 540,358,075.82/33,076.72
6. Step 6: Final answer
   x = 16,336.51