Finding the Fourth Proportional to 30,806.30, 42,514.67 and 17,377.27

Step by Step Solution

1. Step 1: Write the proportion equation
   30,806.30 : 42,514.67 = 17,377.27 : x
2. Step 2: Convert to fraction form
   30,806.30/42,514.67 = 17,377.27/x
3. Step 3: Cross multiply
   30,806.30x = 42,514.67 × 17,377.27
4. Step 4: Simplify right side
   30,806.30x = 738,789,016.07
5. Step 5: Solve for x
   x = 738,789,016.07/30,806.30
6. Step 6: Final answer
   x = 23,981.75