Finding the Fourth Proportional to 8,258.22, 12,390.98 and 3,337.47

Step by Step Solution

1. Step 1: Write the proportion equation
   8,258.22 : 12,390.98 = 3,337.47 : x
2. Step 2: Convert to fraction form
   8,258.22/12,390.98 = 3,337.47/x
3. Step 3: Cross multiply
   8,258.22x = 12,390.98 × 3,337.47
4. Step 4: Simplify right side
   8,258.22x = 41,354,507.33
5. Step 5: Solve for x
   x = 41,354,507.33/8,258.22
6. Step 6: Final answer
   x = 5,007.68