Finding the Fourth Proportional to 30,871.98, 42,601.23 and 17,443.80

Step by Step Solution

1. Step 1: Write the proportion equation
   30,871.98 : 42,601.23 = 17,443.80 : x
2. Step 2: Convert to fraction form
   30,871.98/42,601.23 = 17,443.80/x
3. Step 3: Cross multiply
   30,871.98x = 42,601.23 × 17,443.80
4. Step 4: Simplify right side
   30,871.98x = 743,127,335.87
5. Step 5: Solve for x
   x = 743,127,335.87/30,871.98
6. Step 6: Final answer
   x = 24,071.26