Finding the Fourth Proportional to 6,314.31, 8,714.39 and 4,331.43

Step by Step Solution

1. Step 1: Write the proportion equation
   6,314.31 : 8,714.39 = 4,331.43 : x
2. Step 2: Convert to fraction form
   6,314.31/8,714.39 = 4,331.43/x
3. Step 3: Cross multiply
   6,314.31x = 8,714.39 × 4,331.43
4. Step 4: Simplify right side
   6,314.31x = 37,745,748.62
5. Step 5: Solve for x
   x = 37,745,748.62/6,314.31
6. Step 6: Final answer
   x = 5,977.81