Finding the Fourth Proportional to 30,729.69, 42,407.78 and 17,301.42

Step by Step Solution

1. Step 1: Write the proportion equation
   30,729.69 : 42,407.78 = 17,301.42 : x
2. Step 2: Convert to fraction form
   30,729.69/42,407.78 = 17,301.42/x
3. Step 3: Cross multiply
   30,729.69x = 42,407.78 × 17,301.42
4. Step 4: Simplify right side
   30,729.69x = 733,714,726.54
5. Step 5: Solve for x
   x = 733,714,726.54/30,729.69
6. Step 6: Final answer
   x = 23,876.41