Finding the Fourth Proportional to 22,111.88, 30,514.39 and 12,040.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,111.88 : 30,514.39 = 12,040.31 : x
2. Step 2: Convert to fraction form
   22,111.88/30,514.39 = 12,040.31/x
3. Step 3: Cross multiply
   22,111.88x = 30,514.39 × 12,040.31
4. Step 4: Simplify right side
   22,111.88x = 367,402,844.54
5. Step 5: Solve for x
   x = 367,402,844.54/22,111.88
6. Step 6: Final answer
   x = 16,615.63