Finding the Fourth Proportional to 6,316.38, 8,713.98 and 3,954.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,316.38 : 8,713.98 = 3,954.42 : x
2. Step 2: Convert to fraction form
   6,316.38/8,713.98 = 3,954.42/x
3. Step 3: Cross multiply
   6,316.38x = 8,713.98 × 3,954.42
4. Step 4: Simplify right side
   6,316.38x = 34,458,736.79
5. Step 5: Solve for x
   x = 34,458,736.79/6,316.38
6. Step 6: Final answer
   x = 5,455.46