Finding the Fourth Proportional to 6,314.81, 8,714.71 and 3,520.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,314.81 : 8,714.71 = 3,520.31 : x
2. Step 2: Convert to fraction form
   6,314.81/8,714.71 = 3,520.31/x
3. Step 3: Cross multiply
   6,314.81x = 8,714.71 × 3,520.31
4. Step 4: Simplify right side
   6,314.81x = 30,678,506.95
5. Step 5: Solve for x
   x = 30,678,506.95/6,314.81
6. Step 6: Final answer
   x = 4,858.18