Finding the Fourth Proportional to 13,942.28, 19,239.69 and 7,568.73

Step by Step Solution

1. Step 1: Write the proportion equation
   13,942.28 : 19,239.69 = 7,568.73 : x
2. Step 2: Convert to fraction form
   13,942.28/19,239.69 = 7,568.73/x
3. Step 3: Cross multiply
   13,942.28x = 19,239.69 × 7,568.73
4. Step 4: Simplify right side
   13,942.28x = 145,620,018.89
5. Step 5: Solve for x
   x = 145,620,018.89/13,942.28
6. Step 6: Final answer
   x = 10,444.49