Finding the Fourth Proportional to 6,874.72, 10,311.78 and 3,175.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,874.72 : 10,311.78 = 3,175.72 : x
2. Step 2: Convert to fraction form
   6,874.72/10,311.78 = 3,175.72/x
3. Step 3: Cross multiply
   6,874.72x = 10,311.78 × 3,175.72
4. Step 4: Simplify right side
   6,874.72x = 32,747,325.98
5. Step 5: Solve for x
   x = 32,747,325.98/6,874.72
6. Step 6: Final answer
   x = 4,763.44