Answer
2156 new products were successful.
Work Step by Step
If 86% were successful then 100-86=14% were successful.
The percent is 14%. The whole is 15,401. The part is unknown.
$\frac{x}{15401} = \frac{14}{100}$
$100x = 14\times15401$
$\frac{100x}{100}\times = \frac{215614}{100}$
$x = 2156.14$