Finding the Fourth Proportional to 14,016.16, 19,342.22 and 7,728.54

Step by Step Solution

1. Step 1: Write the proportion equation
   14,016.16 : 19,342.22 = 7,728.54 : x
2. Step 2: Convert to fraction form
   14,016.16/19,342.22 = 7,728.54/x
3. Step 3: Cross multiply
   14,016.16x = 19,342.22 × 7,728.54
4. Step 4: Simplify right side
   14,016.16x = 149,487,120.96
5. Step 5: Solve for x
   x = 149,487,120.96/14,016.16
6. Step 6: Final answer
   x = 10,665.34