Finding the Fourth Proportional to 21,627.60, 29,846.03 and 12,196.09

Step by Step Solution

1. Step 1: Write the proportion equation
   21,627.60 : 29,846.03 = 12,196.09 : x
2. Step 2: Convert to fraction form
   21,627.60/29,846.03 = 12,196.09/x
3. Step 3: Cross multiply
   21,627.60x = 29,846.03 × 12,196.09
4. Step 4: Simplify right side
   21,627.60x = 364,004,868.02
5. Step 5: Solve for x
   x = 364,004,868.02/21,627.60
6. Step 6: Final answer
   x = 16,830.57