Finding the Fourth Proportional to 33,269.60, 49,900.32 and 20,790.72

Step by Step Solution

1. Step 1: Write the proportion equation
   33,269.60 : 49,900.32 = 20,790.72 : x
2. Step 2: Convert to fraction form
   33,269.60/49,900.32 = 20,790.72/x
3. Step 3: Cross multiply
   33,269.60x = 49,900.32 × 20,790.72
4. Step 4: Simplify right side
   33,269.60x = 1,037,463,581.03
5. Step 5: Solve for x
   x = 1,037,463,581.03/33,269.60
6. Step 6: Final answer
   x = 31,183.53