Finding the Fourth Proportional to 3,142.42, 4,713.85 and 951.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,142.42 : 4,713.85 = 951.31 : x
2. Step 2: Convert to fraction form
   3,142.42/4,713.85 = 951.31/x
3. Step 3: Cross multiply
   3,142.42x = 4,713.85 × 951.31
4. Step 4: Simplify right side
   3,142.42x = 4,484,327.89
5. Step 5: Solve for x
   x = 4,484,327.89/3,142.42
6. Step 6: Final answer
   x = 1,427.03