Finding the Fourth Proportional to 21,144.08, 31,731.51 and 17,033.73

Step by Step Solution

1. Step 1: Write the proportion equation
   21,144.08 : 31,731.51 = 17,033.73 : x
2. Step 2: Convert to fraction form
   21,144.08/31,731.51 = 17,033.73/x
3. Step 3: Cross multiply
   21,144.08x = 31,731.51 × 17,033.73
4. Step 4: Simplify right side
   21,144.08x = 540,505,973.83
5. Step 5: Solve for x
   x = 540,505,973.83/21,144.08
6. Step 6: Final answer
   x = 25,563.00