Finding the Fourth Proportional to 1,074.27, 1,481.71 and 675.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.27 : 1,481.71 = 675.55 : x
2. Step 2: Convert to fraction form
   1,074.27/1,481.71 = 675.55/x
3. Step 3: Cross multiply
   1,074.27x = 1,481.71 × 675.55
4. Step 4: Simplify right side
   1,074.27x = 1,000,958.40
5. Step 5: Solve for x
   x = 1,000,958.40/1,074.27
6. Step 6: Final answer
   x = 931.76