If x can be proportional to the three numbers 4, 5, and 6, find the value of x and write the corresponding proportional formula.
如果x能与4、5、6这三个数组成比例，求x的值并写出相应的比例式．
<gadget id="calculator">4 * 6</gadget>
<output>24</output>

<gadget id="calculator">24 / 5</gadget>
<output>24/5 = around 4.8</output>

<result>24/5 = around 4.8</result>