Finding the Fourth Proportional to 3,401.89, 5,104.41 and 1,553.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.89 : 5,104.41 = 1,553.57 : x
2. Step 2: Convert to fraction form
   3,401.89/5,104.41 = 1,553.57/x
3. Step 3: Cross multiply
   3,401.89x = 5,104.41 × 1,553.57
4. Step 4: Simplify right side
   3,401.89x = 7,930,067.12
5. Step 5: Solve for x
   x = 7,930,067.12/3,401.89
6. Step 6: Final answer
   x = 2,331.08