Finding the Fourth Proportional to 3,103.91, 4,658.79 and 1,131.44

Step by Step Solution

1. Step 1: Write the proportion equation
   3,103.91 : 4,658.79 = 1,131.44 : x
2. Step 2: Convert to fraction form
   3,103.91/4,658.79 = 1,131.44/x
3. Step 3: Cross multiply
   3,103.91x = 4,658.79 × 1,131.44
4. Step 4: Simplify right side
   3,103.91x = 5,271,155.25
5. Step 5: Solve for x
   x = 5,271,155.25/3,103.91
6. Step 6: Final answer
   x = 1,698.23