Finding the Fourth Proportional to 3,958.50, 5,939.79 and 1,738.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,958.50 : 5,939.79 = 1,738.89 : x
2. Step 2: Convert to fraction form
   3,958.50/5,939.79 = 1,738.89/x
3. Step 3: Cross multiply
   3,958.50x = 5,939.79 × 1,738.89
4. Step 4: Simplify right side
   3,958.50x = 10,328,641.43
5. Step 5: Solve for x
   x = 10,328,641.43/3,958.50
6. Step 6: Final answer
   x = 2,609.23