Finding the Fourth Proportional to 10,196.85, 15,297.84 and 3,957.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,196.85 : 15,297.84 = 3,957.30 : x
2. Step 2: Convert to fraction form
   10,196.85/15,297.84 = 3,957.30/x
3. Step 3: Cross multiply
   10,196.85x = 15,297.84 × 3,957.30
4. Step 4: Simplify right side
   10,196.85x = 60,538,142.23
5. Step 5: Solve for x
   x = 60,538,142.23/10,196.85
6. Step 6: Final answer
   x = 5,936.95