Finding the Fourth Proportional to 14,162.16, 19,544.28 and 7,789.24

Step by Step Solution

1. Step 1: Write the proportion equation
   14,162.16 : 19,544.28 = 7,789.24 : x
2. Step 2: Convert to fraction form
   14,162.16/19,544.28 = 7,789.24/x
3. Step 3: Cross multiply
   14,162.16x = 19,544.28 × 7,789.24
4. Step 4: Simplify right side
   14,162.16x = 152,235,087.55
5. Step 5: Solve for x
   x = 152,235,087.55/14,162.16
6. Step 6: Final answer
   x = 10,749.43