Finding the Fourth Proportional to 21,627.89, 29,846.48 and 12,196.44

Step by Step Solution

1. Step 1: Write the proportion equation
   21,627.89 : 29,846.48 = 12,196.44 : x
2. Step 2: Convert to fraction form
   21,627.89/29,846.48 = 12,196.44/x
3. Step 3: Cross multiply
   21,627.89x = 29,846.48 × 12,196.44
4. Step 4: Simplify right side
   21,627.89x = 364,020,741.55
5. Step 5: Solve for x
   x = 364,020,741.55/21,627.89
6. Step 6: Final answer
   x = 16,831.08