Question: User: 2.4387 x 10
1. **State the problem:**
We need to calculate the product of $2.4387$ and $10$.
2. **Formula used:**
Multiplication of a decimal number by $10$ shifts the decimal point one place to the right.
3. **Intermediate work:**
$$2.4387 \times 10 = 24.387$$
4. **Explanation:**
Multiplying by $10$ moves the decimal point one digit to the right, so $2.4387$ becomes $24.387$.
5. **Final answer:**
$$24.387$$