Finding the Fourth Proportional to 20,131.37, 30,205.59 and 10,768.94

Step by Step Solution

1. Step 1: Write the proportion equation
   20,131.37 : 30,205.59 = 10,768.94 : x
2. Step 2: Convert to fraction form
   20,131.37/30,205.59 = 10,768.94/x
3. Step 3: Cross multiply
   20,131.37x = 30,205.59 × 10,768.94
4. Step 4: Simplify right side
   20,131.37x = 325,282,186.37
5. Step 5: Solve for x
   x = 325,282,186.37/20,131.37
6. Step 6: Final answer
   x = 16,157.98