Finding the Fourth Proportional to 8,259.35, 12,391.25 and 3,577.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,259.35 : 12,391.25 = 3,577.37 : x
2. Step 2: Convert to fraction form
   8,259.35/12,391.25 = 3,577.37/x
3. Step 3: Cross multiply
   8,259.35x = 12,391.25 × 3,577.37
4. Step 4: Simplify right side
   8,259.35x = 44,328,006.17
5. Step 5: Solve for x
   x = 44,328,006.17/8,259.35
6. Step 6: Final answer
   x = 5,367.01