Finding the Fourth Proportional to 11,003.80, 16,504.10 and 3,608.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,003.80 : 16,504.10 = 3,608.56 : x
2. Step 2: Convert to fraction form
   11,003.80/16,504.10 = 3,608.56/x
3. Step 3: Cross multiply
   11,003.80x = 16,504.10 × 3,608.56
4. Step 4: Simplify right side
   11,003.80x = 59,556,035.10
5. Step 5: Solve for x
   x = 59,556,035.10/11,003.80
6. Step 6: Final answer
   x = 5,412.32