Finding the Fourth Proportional to 9,939.56, 13,714.98 and 5,747

Step by Step Solution

1. Step 1: Write the proportion equation
   9,939.56 : 13,714.98 = 5,747 : x
2. Step 2: Convert to fraction form
   9,939.56/13,714.98 = 5,747/x
3. Step 3: Cross multiply
   9,939.56x = 13,714.98 × 5,747
4. Step 4: Simplify right side
   9,939.56x = 78,819,990.06
5. Step 5: Solve for x
   x = 78,819,990.06/9,939.56
6. Step 6: Final answer
   x = 7,929.93