Finding the Fourth Proportional to 6,277.61, 9,406.69 and 3,964.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,277.61 : 9,406.69 = 3,964.25 : x
2. Step 2: Convert to fraction form
   6,277.61/9,406.69 = 3,964.25/x
3. Step 3: Cross multiply
   6,277.61x = 9,406.69 × 3,964.25
4. Step 4: Simplify right side
   6,277.61x = 37,290,470.83
5. Step 5: Solve for x
   x = 37,290,470.83/6,277.61
6. Step 6: Final answer
   x = 5,940.23