Finding the Fourth Proportional to 11,089.48, 16,636.70 and 4,164.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,089.48 : 16,636.70 = 4,164.04 : x
2. Step 2: Convert to fraction form
   11,089.48/16,636.70 = 4,164.04/x
3. Step 3: Cross multiply
   11,089.48x = 16,636.70 × 4,164.04
4. Step 4: Simplify right side
   11,089.48x = 69,275,884.27
5. Step 5: Solve for x
   x = 69,275,884.27/11,089.48
6. Step 6: Final answer
   x = 6,246.99