Finding the Fourth Proportional to 5,673.89, 7,829.25 and 3,579.23

Step by Step Solution

1. Step 1: Write the proportion equation
   5,673.89 : 7,829.25 = 3,579.23 : x
2. Step 2: Convert to fraction form
   5,673.89/7,829.25 = 3,579.23/x
3. Step 3: Cross multiply
   5,673.89x = 7,829.25 × 3,579.23
4. Step 4: Simplify right side
   5,673.89x = 28,022,686.48
5. Step 5: Solve for x
   x = 28,022,686.48/5,673.89
6. Step 6: Final answer
   x = 4,938.88