Finding the Fourth Proportional to 3,971.28, 5,958.72 and 2,023.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,971.28 : 5,958.72 = 2,023.60 : x
2. Step 2: Convert to fraction form
   3,971.28/5,958.72 = 2,023.60/x
3. Step 3: Cross multiply
   3,971.28x = 5,958.72 × 2,023.60
4. Step 4: Simplify right side
   3,971.28x = 12,058,065.79
5. Step 5: Solve for x
   x = 12,058,065.79/3,971.28
6. Step 6: Final answer
   x = 3,036.32