Finding the Fourth Proportional to 30,517.96, 42,113.50 and 17,771.48

Step by Step Solution

1. Step 1: Write the proportion equation
   30,517.96 : 42,113.50 = 17,771.48 : x
2. Step 2: Convert to fraction form
   30,517.96/42,113.50 = 17,771.48/x
3. Step 3: Cross multiply
   30,517.96x = 42,113.50 × 17,771.48
4. Step 4: Simplify right side
   30,517.96x = 748,419,222.98
5. Step 5: Solve for x
   x = 748,419,222.98/30,517.96
6. Step 6: Final answer
   x = 24,523.89