Finding the Fourth Proportional to 21,514.86, 29,690.39 and 12,083.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,514.86 : 29,690.39 = 12,083.42 : x
2. Step 2: Convert to fraction form
   21,514.86/29,690.39 = 12,083.42/x
3. Step 3: Cross multiply
   21,514.86x = 29,690.39 × 12,083.42
4. Step 4: Simplify right side
   21,514.86x = 358,761,452.33
5. Step 5: Solve for x
   x = 358,761,452.33/21,514.86
6. Step 6: Final answer
   x = 16,675.05