Finding the Fourth Proportional to 23,997, 33,168.30 and 21,142.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,997 : 33,168.30 = 21,142.56 : x
2. Step 2: Convert to fraction form
   23,997/33,168.30 = 21,142.56/x
3. Step 3: Cross multiply
   23,997x = 33,168.30 × 21,142.56
4. Step 4: Simplify right side
   23,997x = 701,262,772.85
5. Step 5: Solve for x
   x = 701,262,772.85/23,997
6. Step 6: Final answer
   x = 29,222.94