Finding the Fourth Proportional to 7,401.69, 11,108 and 3,506.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,401.69 : 11,108 = 3,506.09 : x
2. Step 2: Convert to fraction form
   7,401.69/11,108 = 3,506.09/x
3. Step 3: Cross multiply
   7,401.69x = 11,108 × 3,506.09
4. Step 4: Simplify right side
   7,401.69x = 38,945,647.72
5. Step 5: Solve for x
   x = 38,945,647.72/7,401.69
6. Step 6: Final answer
   x = 5,261.72