Finding the Fourth Proportional to 21,600.58, 29,797.42 and 14,874.54

Step by Step Solution

1. Step 1: Write the proportion equation
   21,600.58 : 29,797.42 = 14,874.54 : x
2. Step 2: Convert to fraction form
   21,600.58/29,797.42 = 14,874.54/x
3. Step 3: Cross multiply
   21,600.58x = 29,797.42 × 14,874.54
4. Step 4: Simplify right side
   21,600.58x = 443,222,915.69
5. Step 5: Solve for x
   x = 443,222,915.69/21,600.58
6. Step 6: Final answer
   x = 20,519.03