Finding the Fourth Proportional to 8,291.22, 12,425.86 and 3,355.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,291.22 : 12,425.86 = 3,355.02 : x
2. Step 2: Convert to fraction form
   8,291.22/12,425.86 = 3,355.02/x
3. Step 3: Cross multiply
   8,291.22x = 12,425.86 × 3,355.02
4. Step 4: Simplify right side
   8,291.22x = 41,689,008.82
5. Step 5: Solve for x
   x = 41,689,008.82/8,291.22
6. Step 6: Final answer
   x = 5,028.09