Finding the Fourth Proportional to 3,144.43, 4,680.72 and 3,097.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,144.43 : 4,680.72 = 3,097.72 : x
2. Step 2: Convert to fraction form
   3,144.43/4,680.72 = 3,097.72/x
3. Step 3: Cross multiply
   3,144.43x = 4,680.72 × 3,097.72
4. Step 4: Simplify right side
   3,144.43x = 14,499,559.96
5. Step 5: Solve for x
   x = 14,499,559.96/3,144.43
6. Step 6: Final answer
   x = 4,611.19