Finding the Fourth Proportional to 6,315.90, 8,713.50 and 3,662.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,315.90 : 8,713.50 = 3,662.82 : x
2. Step 2: Convert to fraction form
   6,315.90/8,713.50 = 3,662.82/x
3. Step 3: Cross multiply
   6,315.90x = 8,713.50 × 3,662.82
4. Step 4: Simplify right side
   6,315.90x = 31,915,982.07
5. Step 5: Solve for x
   x = 31,915,982.07/6,315.90
6. Step 6: Final answer
   x = 5,053.28