Finding the Fourth Proportional to 11,821.41, 17,679.83 and 10,514.33

Step by Step Solution

1. Step 1: Write the proportion equation
   11,821.41 : 17,679.83 = 10,514.33 : x
2. Step 2: Convert to fraction form
   11,821.41/17,679.83 = 10,514.33/x
3. Step 3: Cross multiply
   11,821.41x = 17,679.83 × 10,514.33
4. Step 4: Simplify right side
   11,821.41x = 185,891,514.39
5. Step 5: Solve for x
   x = 185,891,514.39/11,821.41
6. Step 6: Final answer
   x = 15,724.99