Finding the Fourth Proportional to 22,113.45, 30,514.56 and 13,159.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,113.45 : 30,514.56 = 13,159.51 : x
2. Step 2: Convert to fraction form
   22,113.45/30,514.56 = 13,159.51/x
3. Step 3: Cross multiply
   22,113.45x = 30,514.56 × 13,159.51
4. Step 4: Simplify right side
   22,113.45x = 401,556,531.83
5. Step 5: Solve for x
   x = 401,556,531.83/22,113.45
6. Step 6: Final answer
   x = 18,158.93