Finding the Fourth Proportional to 6,456.72, 9,667.68 and 4,104

Step by Step Solution

1. Step 1: Write the proportion equation
   6,456.72 : 9,667.68 = 4,104 : x
2. Step 2: Convert to fraction form
   6,456.72/9,667.68 = 4,104/x
3. Step 3: Cross multiply
   6,456.72x = 9,667.68 × 4,104
4. Step 4: Simplify right side
   6,456.72x = 39,676,158.72
5. Step 5: Solve for x
   x = 39,676,158.72/6,456.72
6. Step 6: Final answer
   x = 6,144.94