Finding the Fourth Proportional to 21,627.27, 29,845.58 and 12,195.83

Step by Step Solution

1. Step 1: Write the proportion equation
   21,627.27 : 29,845.58 = 12,195.83 : x
2. Step 2: Convert to fraction form
   21,627.27/29,845.58 = 12,195.83/x
3. Step 3: Cross multiply
   21,627.27x = 29,845.58 × 12,195.83
4. Step 4: Simplify right side
   21,627.27x = 363,991,409.72
5. Step 5: Solve for x
   x = 363,991,409.72/21,627.27
6. Step 6: Final answer
   x = 16,830.21