Finding the Fourth Proportional to 8,196.27, 12,291.26 and 2,930.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.27 : 12,291.26 = 2,930.30 : x
2. Step 2: Convert to fraction form
   8,196.27/12,291.26 = 2,930.30/x
3. Step 3: Cross multiply
   8,196.27x = 12,291.26 × 2,930.30
4. Step 4: Simplify right side
   8,196.27x = 36,017,017.72
5. Step 5: Solve for x
   x = 36,017,017.72/8,196.27
6. Step 6: Final answer
   x = 4,394.32