Finding the Fourth Proportional to 4,118.67, 5,684.27 and 3,173.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,118.67 : 5,684.27 = 3,173.69 : x
2. Step 2: Convert to fraction form
   4,118.67/5,684.27 = 3,173.69/x
3. Step 3: Cross multiply
   4,118.67x = 5,684.27 × 3,173.69
4. Step 4: Simplify right side
   4,118.67x = 18,040,109.20
5. Step 5: Solve for x
   x = 18,040,109.20/4,118.67
6. Step 6: Final answer
   x = 4,380.08