Finding the Fourth Proportional to 30,743.35, 42,425.40 and 17,315.94

Step by Step Solution

1. Step 1: Write the proportion equation
   30,743.35 : 42,425.40 = 17,315.94 : x
2. Step 2: Convert to fraction form
   30,743.35/42,425.40 = 17,315.94/x
3. Step 3: Cross multiply
   30,743.35x = 42,425.40 × 17,315.94
4. Step 4: Simplify right side
   30,743.35x = 734,635,680.88
5. Step 5: Solve for x
   x = 734,635,680.88/30,743.35
6. Step 6: Final answer
   x = 23,895.76