Finding the Fourth Proportional to 30,867.81, 42,597.39 and 17,443.41

Step by Step Solution

1. Step 1: Write the proportion equation
   30,867.81 : 42,597.39 = 17,443.41 : x
2. Step 2: Convert to fraction form
   30,867.81/42,597.39 = 17,443.41/x
3. Step 3: Cross multiply
   30,867.81x = 42,597.39 × 17,443.41
4. Step 4: Simplify right side
   30,867.81x = 743,043,738.70
5. Step 5: Solve for x
   x = 743,043,738.70/30,867.81
6. Step 6: Final answer
   x = 24,071.80