Finding the Fourth Proportional to 22,031.82, 30,404.43 and 13,079.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,031.82 : 30,404.43 = 13,079.36 : x
2. Step 2: Convert to fraction form
   22,031.82/30,404.43 = 13,079.36/x
3. Step 3: Cross multiply
   22,031.82x = 30,404.43 × 13,079.36
4. Step 4: Simplify right side
   22,031.82x = 397,670,485.56
5. Step 5: Solve for x
   x = 397,670,485.56/22,031.82
6. Step 6: Final answer
   x = 18,049.82