Finding the Fourth Proportional to 23,999, 33,171.06 and 21,144.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,999 : 33,171.06 = 21,144.56 : x
2. Step 2: Convert to fraction form
   23,999/33,171.06 = 21,144.56/x
3. Step 3: Cross multiply
   23,999x = 33,171.06 × 21,144.56
4. Step 4: Simplify right side
   23,999x = 701,387,468.43
5. Step 5: Solve for x
   x = 701,387,468.43/23,999
6. Step 6: Final answer
   x = 29,225.70