Finding the Fourth Proportional to 3,958.50, 5,939.51 and 2,109.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,958.50 : 5,939.51 = 2,109.17 : x
2. Step 2: Convert to fraction form
   3,958.50/5,939.51 = 2,109.17/x
3. Step 3: Cross multiply
   3,958.50x = 5,939.51 × 2,109.17
4. Step 4: Simplify right side
   3,958.50x = 12,527,396.06
5. Step 5: Solve for x
   x = 12,527,396.06/3,958.50
6. Step 6: Final answer
   x = 3,164.68