Finding the Fourth Proportional to 10,747.82, 16,120.78 and 3,727.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,747.82 : 16,120.78 = 3,727.69 : x
2. Step 2: Convert to fraction form
   10,747.82/16,120.78 = 3,727.69/x
3. Step 3: Cross multiply
   10,747.82x = 16,120.78 × 3,727.69
4. Step 4: Simplify right side
   10,747.82x = 60,093,220.78
5. Step 5: Solve for x
   x = 60,093,220.78/10,747.82
6. Step 6: Final answer
   x = 5,591.20