Finding the Fourth Proportional to 3,144.72, 4,717.32 and 953.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,144.72 : 4,717.32 = 953.61 : x
2. Step 2: Convert to fraction form
   3,144.72/4,717.32 = 953.61/x
3. Step 3: Cross multiply
   3,144.72x = 4,717.32 × 953.61
4. Step 4: Simplify right side
   3,144.72x = 4,498,483.53
5. Step 5: Solve for x
   x = 4,498,483.53/3,144.72
6. Step 6: Final answer
   x = 1,430.49