Finding the Fourth Proportional to 3,958.14, 5,926.27 and 2,981.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,958.14 : 5,926.27 = 2,981.28 : x
2. Step 2: Convert to fraction form
   3,958.14/5,926.27 = 2,981.28/x
3. Step 3: Cross multiply
   3,958.14x = 5,926.27 × 2,981.28
4. Step 4: Simplify right side
   3,958.14x = 17,667,870.23
5. Step 5: Solve for x
   x = 17,667,870.23/3,958.14
6. Step 6: Final answer
   x = 4,463.68