Finding the Fourth Proportional to 30,791.92, 42,489.56 and 17,362.88

Step by Step Solution

1. Step 1: Write the proportion equation
   30,791.92 : 42,489.56 = 17,362.88 : x
2. Step 2: Convert to fraction form
   30,791.92/42,489.56 = 17,362.88/x
3. Step 3: Cross multiply
   30,791.92x = 42,489.56 × 17,362.88
4. Step 4: Simplify right side
   30,791.92x = 737,741,131.53
5. Step 5: Solve for x
   x = 737,741,131.53/30,791.92
6. Step 6: Final answer
   x = 23,958.92