Finding the Fourth Proportional to 5,443.50, 8,168.60 and 4,326.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.50 : 8,168.60 = 4,326.31 : x
2. Step 2: Convert to fraction form
   5,443.50/8,168.60 = 4,326.31/x
3. Step 3: Cross multiply
   5,443.50x = 8,168.60 × 4,326.31
4. Step 4: Simplify right side
   5,443.50x = 35,339,874.23
5. Step 5: Solve for x
   x = 35,339,874.23/5,443.50
6. Step 6: Final answer
   x = 6,492.12