Finding the Fourth Proportional to 30,854.39, 42,578.75 and 17,425.35

Step by Step Solution

1. Step 1: Write the proportion equation
   30,854.39 : 42,578.75 = 17,425.35 : x
2. Step 2: Convert to fraction form
   30,854.39/42,578.75 = 17,425.35/x
3. Step 3: Cross multiply
   30,854.39x = 42,578.75 × 17,425.35
4. Step 4: Simplify right side
   30,854.39x = 741,949,686.61
5. Step 5: Solve for x
   x = 741,949,686.61/30,854.39
6. Step 6: Final answer
   x = 24,046.81