Finding the Fourth Proportional to 8,196.44, 12,296.79 and 2,931.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.44 : 12,296.79 = 2,931.24 : x
2. Step 2: Convert to fraction form
   8,196.44/12,296.79 = 2,931.24/x
3. Step 3: Cross multiply
   8,196.44x = 12,296.79 × 2,931.24
4. Step 4: Simplify right side
   8,196.44x = 36,044,842.72
5. Step 5: Solve for x
   x = 36,044,842.72/8,196.44
6. Step 6: Final answer
   x = 4,397.62