Finding the Fourth Proportional to 6,474.47, 8,935.72 and 3,958.07

Step by Step Solution

1. Step 1: Write the proportion equation
   6,474.47 : 8,935.72 = 3,958.07 : x
2. Step 2: Convert to fraction form
   6,474.47/8,935.72 = 3,958.07/x
3. Step 3: Cross multiply
   6,474.47x = 8,935.72 × 3,958.07
4. Step 4: Simplify right side
   6,474.47x = 35,368,150.69
5. Step 5: Solve for x
   x = 35,368,150.69/6,474.47
6. Step 6: Final answer
   x = 5,462.71