Finding the Fourth Proportional to 9,243.72, 13,860.72 and 7,950.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,243.72 : 13,860.72 = 7,950.96 : x
2. Step 2: Convert to fraction form
   9,243.72/13,860.72 = 7,950.96/x
3. Step 3: Cross multiply
   9,243.72x = 13,860.72 × 7,950.96
4. Step 4: Simplify right side
   9,243.72x = 110,206,030.29
5. Step 5: Solve for x
   x = 110,206,030.29/9,243.72
6. Step 6: Final answer
   x = 11,922.26