Finding the Fourth Proportional to 8,259.39, 12,389.63 and 3,329.01

Step by Step Solution

1. Step 1: Write the proportion equation
   8,259.39 : 12,389.63 = 3,329.01 : x
2. Step 2: Convert to fraction form
   8,259.39/12,389.63 = 3,329.01/x
3. Step 3: Cross multiply
   8,259.39x = 12,389.63 × 3,329.01
4. Step 4: Simplify right side
   8,259.39x = 41,245,185.52
5. Step 5: Solve for x
   x = 41,245,185.52/8,259.39
6. Step 6: Final answer
   x = 4,993.73