Finding the Fourth Proportional to 21,767.99, 30,037.72 and 12,208.27

Step by Step Solution

1. Step 1: Write the proportion equation
   21,767.99 : 30,037.72 = 12,208.27 : x
2. Step 2: Convert to fraction form
   21,767.99/30,037.72 = 12,208.27/x
3. Step 3: Cross multiply
   21,767.99x = 30,037.72 × 12,208.27
4. Step 4: Simplify right side
   21,767.99x = 366,708,479.79
5. Step 5: Solve for x
   x = 366,708,479.79/21,767.99
6. Step 6: Final answer
   x = 16,846.23