Finding the Fourth Proportional to 21,633.27, 29,853.86 and 12,201.83

Step by Step Solution

1. Step 1: Write the proportion equation
   21,633.27 : 29,853.86 = 12,201.83 : x
2. Step 2: Convert to fraction form
   21,633.27/29,853.86 = 12,201.83/x
3. Step 3: Cross multiply
   21,633.27x = 29,853.86 × 12,201.83
4. Step 4: Simplify right side
   21,633.27x = 364,271,514.29
5. Step 5: Solve for x
   x = 364,271,514.29/21,633.27
6. Step 6: Final answer
   x = 16,838.49