Finding the Fourth Proportional to 30,402.69, 41,956.73 and 16,974.10

Step by Step Solution

1. Step 1: Write the proportion equation
   30,402.69 : 41,956.73 = 16,974.10 : x
2. Step 2: Convert to fraction form
   30,402.69/41,956.73 = 16,974.10/x
3. Step 3: Cross multiply
   30,402.69x = 41,956.73 × 16,974.10
4. Step 4: Simplify right side
   30,402.69x = 712,177,730.69
5. Step 5: Solve for x
   x = 712,177,730.69/30,402.69
6. Step 6: Final answer
   x = 23,424.83