Finding the Fourth Proportional to 3,648.89, 5,469.69 and 3,374.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.89 : 5,469.69 = 3,374.30 : x
2. Step 2: Convert to fraction form
   3,648.89/5,469.69 = 3,374.30/x
3. Step 3: Cross multiply
   3,648.89x = 5,469.69 × 3,374.30
4. Step 4: Simplify right side
   3,648.89x = 18,456,374.97
5. Step 5: Solve for x
   x = 18,456,374.97/3,648.89
6. Step 6: Final answer
   x = 5,058.08