Finding the Fourth Proportional to 30,609, 42,240.42 and 17,361

Step by Step Solution

1. Step 1: Write the proportion equation
   30,609 : 42,240.42 = 17,361 : x
2. Step 2: Convert to fraction form
   30,609/42,240.42 = 17,361/x
3. Step 3: Cross multiply
   30,609x = 42,240.42 × 17,361
4. Step 4: Simplify right side
   30,609x = 733,335,931.62
5. Step 5: Solve for x
   x = 733,335,931.62/30,609
6. Step 6: Final answer
   x = 23,958.18