Finding the Fourth Proportional to 21,698.34, 29,949.24 and 12,272.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,698.34 : 29,949.24 = 12,272.37 : x
2. Step 2: Convert to fraction form
   21,698.34/29,949.24 = 12,272.37/x
3. Step 3: Cross multiply
   21,698.34x = 29,949.24 × 12,272.37
4. Step 4: Simplify right side
   21,698.34x = 367,548,154.50
5. Step 5: Solve for x
   x = 367,548,154.50/21,698.34
6. Step 6: Final answer
   x = 16,939.00