Finding the Fourth Proportional to 21,632.83, 29,853.33 and 12,201.39

Step by Step Solution

1. Step 1: Write the proportion equation
   21,632.83 : 29,853.33 = 12,201.39 : x
2. Step 2: Convert to fraction form
   21,632.83/29,853.33 = 12,201.39/x
3. Step 3: Cross multiply
   21,632.83x = 29,853.33 × 12,201.39
4. Step 4: Simplify right side
   21,632.83x = 364,252,076.37
5. Step 5: Solve for x
   x = 364,252,076.37/21,632.83
6. Step 6: Final answer
   x = 16,837.93