Finding the Fourth Proportional to 2,958.72, 4,081.68 and 1,716

Step by Step Solution

1. Step 1: Write the proportion equation
   2,958.72 : 4,081.68 = 1,716 : x
2. Step 2: Convert to fraction form
   2,958.72/4,081.68 = 1,716/x
3. Step 3: Cross multiply
   2,958.72x = 4,081.68 × 1,716
4. Step 4: Simplify right side
   2,958.72x = 7,004,162.88
5. Step 5: Solve for x
   x = 7,004,162.88/2,958.72
6. Step 6: Final answer
   x = 2,367.29