Finding the Fourth Proportional to 3,196.38, 4,768.02 and 3,145.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.38 : 4,768.02 = 3,145.38 : x
2. Step 2: Convert to fraction form
   3,196.38/4,768.02 = 3,145.38/x
3. Step 3: Cross multiply
   3,196.38x = 4,768.02 × 3,145.38
4. Step 4: Simplify right side
   3,196.38x = 14,997,234.75
5. Step 5: Solve for x
   x = 14,997,234.75/3,196.38
6. Step 6: Final answer
   x = 4,691.94