Finding the Fourth Proportional to 33,155.91, 49,728.96 and 12,091.01

Step by Step Solution

1. Step 1: Write the proportion equation
   33,155.91 : 49,728.96 = 12,091.01 : x
2. Step 2: Convert to fraction form
   33,155.91/49,728.96 = 12,091.01/x
3. Step 3: Cross multiply
   33,155.91x = 49,728.96 × 12,091.01
4. Step 4: Simplify right side
   33,155.91x = 601,273,104.00
5. Step 5: Solve for x
   x = 601,273,104.00/33,155.91
6. Step 6: Final answer
   x = 18,134.72