The value of $$x$$ where $$x$$ : $$2\frac{1}{3}$$ :: $$21$$ : $$50$$ is -

• A. $1\frac{1}{{49}}$$
• B. $1\frac{1}{{50}}$$
• C. $\frac{{49}}{{50}}$$
• D. $\frac{{27}}{{50}}$$