Finding the Fourth Proportional to 21,167.46, 29,144.58 and 17,974.05

Step by Step Solution

1. Step 1: Write the proportion equation
   21,167.46 : 29,144.58 = 17,974.05 : x
2. Step 2: Convert to fraction form
   21,167.46/29,144.58 = 17,974.05/x
3. Step 3: Cross multiply
   21,167.46x = 29,144.58 × 17,974.05
4. Step 4: Simplify right side
   21,167.46x = 523,846,138.15
5. Step 5: Solve for x
   x = 523,846,138.15/21,167.46
6. Step 6: Final answer
   x = 24,747.71