Finding the Fourth Proportional to 10,728.17, 16,091.67 and 2,936.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,728.17 : 16,091.67 = 2,936.42 : x
2. Step 2: Convert to fraction form
   10,728.17/16,091.67 = 2,936.42/x
3. Step 3: Cross multiply
   10,728.17x = 16,091.67 × 2,936.42
4. Step 4: Simplify right side
   10,728.17x = 47,251,901.62
5. Step 5: Solve for x
   x = 47,251,901.62/10,728.17
6. Step 6: Final answer
   x = 4,404.47