Finding the Fourth Proportional to 8,196.53, 12,297.38 and 2,931.39

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.53 : 12,297.38 = 2,931.39 : x
2. Step 2: Convert to fraction form
   8,196.53/12,297.38 = 2,931.39/x
3. Step 3: Cross multiply
   8,196.53x = 12,297.38 × 2,931.39
4. Step 4: Simplify right side
   8,196.53x = 36,048,402.10
5. Step 5: Solve for x
   x = 36,048,402.10/8,196.53
6. Step 6: Final answer
   x = 4,398.01