Finding the Fourth Proportional to 9,939.42, 13,717.63 and 5,747.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,939.42 : 13,717.63 = 5,747.67 : x
2. Step 2: Convert to fraction form
   9,939.42/13,717.63 = 5,747.67/x
3. Step 3: Cross multiply
   9,939.42x = 13,717.63 × 5,747.67
4. Step 4: Simplify right side
   9,939.42x = 78,844,410.42
5. Step 5: Solve for x
   x = 78,844,410.42/9,939.42
6. Step 6: Final answer
   x = 7,932.50