Finding the Fourth Proportional to 21,627.19, 29,844.61 and 12,196.63

Step by Step Solution

1. Step 1: Write the proportion equation
   21,627.19 : 29,844.61 = 12,196.63 : x
2. Step 2: Convert to fraction form
   21,627.19/29,844.61 = 12,196.63/x
3. Step 3: Cross multiply
   21,627.19x = 29,844.61 × 12,196.63
4. Step 4: Simplify right side
   21,627.19x = 364,003,665.66
5. Step 5: Solve for x
   x = 364,003,665.66/21,627.19
6. Step 6: Final answer
   x = 16,830.83