Finding the Fourth Proportional to 30,019.92, 41,426.28 and 17,443.68

Step by Step Solution

1. Step 1: Write the proportion equation
   30,019.92 : 41,426.28 = 17,443.68 : x
2. Step 2: Convert to fraction form
   30,019.92/41,426.28 = 17,443.68/x
3. Step 3: Cross multiply
   30,019.92x = 41,426.28 × 17,443.68
4. Step 4: Simplify right side
   30,019.92x = 722,626,771.91
5. Step 5: Solve for x
   x = 722,626,771.91/30,019.92
6. Step 6: Final answer
   x = 24,071.58