Finding the Fourth Proportional to 20,100.69, 27,739.59 and 11,149.02

Step by Step Solution

1. Step 1: Write the proportion equation
   20,100.69 : 27,739.59 = 11,149.02 : x
2. Step 2: Convert to fraction form
   20,100.69/27,739.59 = 11,149.02/x
3. Step 3: Cross multiply
   20,100.69x = 27,739.59 × 11,149.02
4. Step 4: Simplify right side
   20,100.69x = 309,269,243.70
5. Step 5: Solve for x
   x = 309,269,243.70/20,100.69
6. Step 6: Final answer
   x = 15,386.00