Finding the Fourth Proportional to 30,871.80, 42,610.06 and 17,450.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,871.80 : 42,610.06 = 17,450.82 : x
2. Step 2: Convert to fraction form
   30,871.80/42,610.06 = 17,450.82/x
3. Step 3: Cross multiply
   30,871.80x = 42,610.06 × 17,450.82
4. Step 4: Simplify right side
   30,871.80x = 743,580,487.25
5. Step 5: Solve for x
   x = 743,580,487.25/30,871.80
6. Step 6: Final answer
   x = 24,086.07