Finding the Fourth Proportional to 9,936.54, 13,713.66 and 5,744.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,936.54 : 13,713.66 = 5,744.79 : x
2. Step 2: Convert to fraction form
   9,936.54/13,713.66 = 5,744.79/x
3. Step 3: Cross multiply
   9,936.54x = 13,713.66 × 5,744.79
4. Step 4: Simplify right side
   9,936.54x = 78,782,096.83
5. Step 5: Solve for x
   x = 78,782,096.83/9,936.54
6. Step 6: Final answer
   x = 7,928.52