Finding the Fourth Proportional to 33,991.10, 50,936.85 and 30,481.10

Step by Step Solution

1. Step 1: Write the proportion equation
   33,991.10 : 50,936.85 = 30,481.10 : x
2. Step 2: Convert to fraction form
   33,991.10/50,936.85 = 30,481.10/x
3. Step 3: Cross multiply
   33,991.10x = 50,936.85 × 30,481.10
4. Step 4: Simplify right side
   33,991.10x = 1,552,611,218.54
5. Step 5: Solve for x
   x = 1,552,611,218.54/33,991.10
6. Step 6: Final answer
   x = 45,676.99