Finding the Fourth Proportional to 11,006.42, 16,506.17 and 3,609.23

Step by Step Solution

1. Step 1: Write the proportion equation
   11,006.42 : 16,506.17 = 3,609.23 : x
2. Step 2: Convert to fraction form
   11,006.42/16,506.17 = 3,609.23/x
3. Step 3: Cross multiply
   11,006.42x = 16,506.17 × 3,609.23
4. Step 4: Simplify right side
   11,006.42x = 59,574,563.95
5. Step 5: Solve for x
   x = 59,574,563.95/11,006.42
6. Step 6: Final answer
   x = 5,412.71