Finding the Fourth Proportional to 1,074.33, 1,482.56 and 608.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.33 : 1,482.56 = 608.55 : x
2. Step 2: Convert to fraction form
   1,074.33/1,482.56 = 608.55/x
3. Step 3: Cross multiply
   1,074.33x = 1,482.56 × 608.55
4. Step 4: Simplify right side
   1,074.33x = 902,204.48
5. Step 5: Solve for x
   x = 902,204.48/1,074.33
6. Step 6: Final answer
   x = 839.79