Finding the Fourth Proportional to 33,187.89, 49,763.39 and 10,989.16

Step by Step Solution

1. Step 1: Write the proportion equation
   33,187.89 : 49,763.39 = 10,989.16 : x
2. Step 2: Convert to fraction form
   33,187.89/49,763.39 = 10,989.16/x
3. Step 3: Cross multiply
   33,187.89x = 49,763.39 × 10,989.16
4. Step 4: Simplify right side
   33,187.89x = 546,857,877.27
5. Step 5: Solve for x
   x = 546,857,877.27/33,187.89
6. Step 6: Final answer
   x = 16,477.63