Finding the Fourth Proportional to 14,016.58, 19,342.86 and 7,728.97

Step by Step Solution

1. Step 1: Write the proportion equation
   14,016.58 : 19,342.86 = 7,728.97 : x
2. Step 2: Convert to fraction form
   14,016.58/19,342.86 = 7,728.97/x
3. Step 3: Cross multiply
   14,016.58x = 19,342.86 × 7,728.97
4. Step 4: Simplify right side
   14,016.58x = 149,500,384.65
5. Step 5: Solve for x
   x = 149,500,384.65/14,016.58
6. Step 6: Final answer
   x = 10,665.97