Finding the Fourth Proportional to 22,111.97, 30,514.22 and 13,159.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,111.97 : 30,514.22 = 13,159.25 : x
2. Step 2: Convert to fraction form
   22,111.97/30,514.22 = 13,159.25/x
3. Step 3: Cross multiply
   22,111.97x = 30,514.22 × 13,159.25
4. Step 4: Simplify right side
   22,111.97x = 401,544,031.17
5. Step 5: Solve for x
   x = 401,544,031.17/22,111.97
6. Step 6: Final answer
   x = 18,159.58