Finding the Fourth Proportional to 3,016.72, 4,520.20 and 1,719.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,016.72 : 4,520.20 = 1,719.12 : x
2. Step 2: Convert to fraction form
   3,016.72/4,520.20 = 1,719.12/x
3. Step 3: Cross multiply
   3,016.72x = 4,520.20 × 1,719.12
4. Step 4: Simplify right side
   3,016.72x = 7,770,766.22
5. Step 5: Solve for x
   x = 7,770,766.22/3,016.72
6. Step 6: Final answer
   x = 2,575.90