Finding the Fourth Proportional to 22,019.44, 30,379.42 and 12,581.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,019.44 : 30,379.42 = 12,581.32 : x
2. Step 2: Convert to fraction form
   22,019.44/30,379.42 = 12,581.32/x
3. Step 3: Cross multiply
   22,019.44x = 30,379.42 × 12,581.32
4. Step 4: Simplify right side
   22,019.44x = 382,213,204.43
5. Step 5: Solve for x
   x = 382,213,204.43/22,019.44
6. Step 6: Final answer
   x = 17,357.99