Finding the Fourth Proportional to 3,658.27, 5,048.39 and 1,979.68

Step by Step Solution

1. Step 1: Write the proportion equation
   3,658.27 : 5,048.39 = 1,979.68 : x
2. Step 2: Convert to fraction form
   3,658.27/5,048.39 = 1,979.68/x
3. Step 3: Cross multiply
   3,658.27x = 5,048.39 × 1,979.68
4. Step 4: Simplify right side
   3,658.27x = 9,994,196.72
5. Step 5: Solve for x
   x = 9,994,196.72/3,658.27
6. Step 6: Final answer
   x = 2,731.95