Finding the Fourth Proportional to 3,162.72, 4,706.73 and 3,057.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,162.72 : 4,706.73 = 3,057.61 : x
2. Step 2: Convert to fraction form
   3,162.72/4,706.73 = 3,057.61/x
3. Step 3: Cross multiply
   3,162.72x = 4,706.73 × 3,057.61
4. Step 4: Simplify right side
   3,162.72x = 14,391,344.72
5. Step 5: Solve for x
   x = 14,391,344.72/3,162.72
6. Step 6: Final answer
   x = 4,550.31