Finding the Fourth Proportional to 3,960.50, 5,945.06 and 2,917.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,960.50 : 5,945.06 = 2,917.25 : x
2. Step 2: Convert to fraction form
   3,960.50/5,945.06 = 2,917.25/x
3. Step 3: Cross multiply
   3,960.50x = 5,945.06 × 2,917.25
4. Step 4: Simplify right side
   3,960.50x = 17,343,226.15
5. Step 5: Solve for x
   x = 17,343,226.15/3,960.50
6. Step 6: Final answer
   x = 4,379.06