Finding the Fourth Proportional to 20,796.72, 28,698.72 and 11,844.24

Step by Step Solution

1. Step 1: Write the proportion equation
   20,796.72 : 28,698.72 = 11,844.24 : x
2. Step 2: Convert to fraction form
   20,796.72/28,698.72 = 11,844.24/x
3. Step 3: Cross multiply
   20,796.72x = 28,698.72 × 11,844.24
4. Step 4: Simplify right side
   20,796.72x = 339,914,527.37
5. Step 5: Solve for x
   x = 339,914,527.37/20,796.72
6. Step 6: Final answer
   x = 16,344.62