Finding the Fourth Proportional to 21,469.26, 29,627.20 and 12,037.83

Step by Step Solution

1. Step 1: Write the proportion equation
   21,469.26 : 29,627.20 = 12,037.83 : x
2. Step 2: Convert to fraction form
   21,469.26/29,627.20 = 12,037.83/x
3. Step 3: Cross multiply
   21,469.26x = 29,627.20 × 12,037.83
4. Step 4: Simplify right side
   21,469.26x = 356,647,100.92
5. Step 5: Solve for x
   x = 356,647,100.92/21,469.26
6. Step 6: Final answer
   x = 16,611.99