Finding the Fourth Proportional to 3,691.48, 5,100.72 and 2,951.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,691.48 : 5,100.72 = 2,951.54 : x
2. Step 2: Convert to fraction form
   3,691.48/5,100.72 = 2,951.54/x
3. Step 3: Cross multiply
   3,691.48x = 5,100.72 × 2,951.54
4. Step 4: Simplify right side
   3,691.48x = 15,054,979.11
5. Step 5: Solve for x
   x = 15,054,979.11/3,691.48
6. Step 6: Final answer
   x = 4,078.30