Finding the Fourth Proportional to 20,728.52, 31,091.92 and 5,936.84

Step by Step Solution

1. Step 1: Write the proportion equation
   20,728.52 : 31,091.92 = 5,936.84 : x
2. Step 2: Convert to fraction form
   20,728.52/31,091.92 = 5,936.84/x
3. Step 3: Cross multiply
   20,728.52x = 31,091.92 × 5,936.84
4. Step 4: Simplify right side
   20,728.52x = 184,587,754.33
5. Step 5: Solve for x
   x = 184,587,754.33/20,728.52
6. Step 6: Final answer
   x = 8,905.01