Finding the Fourth Proportional to 8,196.39, 12,290.94 and 2,351.57

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.39 : 12,290.94 = 2,351.57 : x
2. Step 2: Convert to fraction form
   8,196.39/12,290.94 = 2,351.57/x
3. Step 3: Cross multiply
   8,196.39x = 12,290.94 × 2,351.57
4. Step 4: Simplify right side
   8,196.39x = 28,902,944.32
5. Step 5: Solve for x
   x = 28,902,944.32/8,196.39
6. Step 6: Final answer
   x = 3,526.30