Alright, let's work through 4494 times 860 step by step
4494 × 860 = 860 × (4494)
+ 860 × 4 giving us 3440
+ 860 × 90 that is equal 77400
+ 860 × 400 resulting in 344000
+ 860 × 4000 that equals 3440000

= 3864840
