Finding the Fourth Proportional to 6,343.71, 8,754.43 and 3,511.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,343.71 : 8,754.43 = 3,511.31 : x
2. Step 2: Convert to fraction form
   6,343.71/8,754.43 = 3,511.31/x
3. Step 3: Cross multiply
   6,343.71x = 8,754.43 × 3,511.31
4. Step 4: Simplify right side
   6,343.71x = 30,739,530.71
5. Step 5: Solve for x
   x = 30,739,530.71/6,343.71
6. Step 6: Final answer
   x = 4,845.67