Finding the Fourth Proportional to 3,958.08, 5,931.64 and 3,839.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,958.08 : 5,931.64 = 3,839.82 : x
2. Step 2: Convert to fraction form
   3,958.08/5,931.64 = 3,839.82/x
3. Step 3: Cross multiply
   3,958.08x = 5,931.64 × 3,839.82
4. Step 4: Simplify right side
   3,958.08x = 22,776,429.90
5. Step 5: Solve for x
   x = 22,776,429.90/3,958.08
6. Step 6: Final answer
   x = 5,754.41