Finding the Fourth Proportional to 30,885.52, 42,617.42 and 17,456.67

Step by Step Solution

1. Step 1: Write the proportion equation
   30,885.52 : 42,617.42 = 17,456.67 : x
2. Step 2: Convert to fraction form
   30,885.52/42,617.42 = 17,456.67/x
3. Step 3: Cross multiply
   30,885.52x = 42,617.42 × 17,456.67
4. Step 4: Simplify right side
   30,885.52x = 743,958,237.19
5. Step 5: Solve for x
   x = 743,958,237.19/30,885.52
6. Step 6: Final answer
   x = 24,087.61