Finding the Fourth Proportional to 8,399.25, 12,590.37 and 3,471.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,399.25 : 12,590.37 = 3,471.62 : x
2. Step 2: Convert to fraction form
   8,399.25/12,590.37 = 3,471.62/x
3. Step 3: Cross multiply
   8,399.25x = 12,590.37 × 3,471.62
4. Step 4: Simplify right side
   8,399.25x = 43,708,917.35
5. Step 5: Solve for x
   x = 43,708,917.35/8,399.25
6. Step 6: Final answer
   x = 5,203.91