Finding the Fourth Proportional to 1,367.98, 2,052.38 and 443.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.98 : 2,052.38 = 443.52 : x
2. Step 2: Convert to fraction form
   1,367.98/2,052.38 = 443.52/x
3. Step 3: Cross multiply
   1,367.98x = 2,052.38 × 443.52
4. Step 4: Simplify right side
   1,367.98x = 910,271.58
5. Step 5: Solve for x
   x = 910,271.58/1,367.98
6. Step 6: Final answer
   x = 665.41