Finding the Fourth Proportional to 2,764.72, 4,147.88 and 1,304

Step by Step Solution

1. Step 1: Write the proportion equation
   2,764.72 : 4,147.88 = 1,304 : x
2. Step 2: Convert to fraction form
   2,764.72/4,147.88 = 1,304/x
3. Step 3: Cross multiply
   2,764.72x = 4,147.88 × 1,304
4. Step 4: Simplify right side
   2,764.72x = 5,408,835.52
5. Step 5: Solve for x
   x = 5,408,835.52/2,764.72
6. Step 6: Final answer
   x = 1,956.38