Finding the Fourth Proportional to 11,036.01, 16,550.50 and 3,639.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,036.01 : 16,550.50 = 3,639.09 : x
2. Step 2: Convert to fraction form
   11,036.01/16,550.50 = 3,639.09/x
3. Step 3: Cross multiply
   11,036.01x = 16,550.50 × 3,639.09
4. Step 4: Simplify right side
   11,036.01x = 60,228,759.05
5. Step 5: Solve for x
   x = 60,228,759.05/11,036.01
6. Step 6: Final answer
   x = 5,457.48