Finding the Fourth Proportional to 9,456.21, 14,179.46 and 4,259.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,456.21 : 14,179.46 = 4,259.25 : x
2. Step 2: Convert to fraction form
   9,456.21/14,179.46 = 4,259.25/x
3. Step 3: Cross multiply
   9,456.21x = 14,179.46 × 4,259.25
4. Step 4: Simplify right side
   9,456.21x = 60,393,843.71
5. Step 5: Solve for x
   x = 60,393,843.71/9,456.21
6. Step 6: Final answer
   x = 6,386.69