Finding the Fourth Proportional to 9,341.72, 13,997.98 and 7,949.36

Step by Step Solution

1. Step 1: Write the proportion equation
   9,341.72 : 13,997.98 = 7,949.36 : x
2. Step 2: Convert to fraction form
   9,341.72/13,997.98 = 7,949.36/x
3. Step 3: Cross multiply
   9,341.72x = 13,997.98 × 7,949.36
4. Step 4: Simplify right side
   9,341.72x = 111,274,982.29
5. Step 5: Solve for x
   x = 111,274,982.29/9,341.72
6. Step 6: Final answer
   x = 11,911.62