Finding the Fourth Proportional to 22,168.32, 30,589.50 and 13,558.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,168.32 : 30,589.50 = 13,558.82 : x
2. Step 2: Convert to fraction form
   22,168.32/30,589.50 = 13,558.82/x
3. Step 3: Cross multiply
   22,168.32x = 30,589.50 × 13,558.82
4. Step 4: Simplify right side
   22,168.32x = 414,757,524.39
5. Step 5: Solve for x
   x = 414,757,524.39/22,168.32
6. Step 6: Final answer
   x = 18,709.47