Finding the Fourth Proportional to 30,726.18, 42,402.16 and 17,297.54

Step by Step Solution

1. Step 1: Write the proportion equation
   30,726.18 : 42,402.16 = 17,297.54 : x
2. Step 2: Convert to fraction form
   30,726.18/42,402.16 = 17,297.54/x
3. Step 3: Cross multiply
   30,726.18x = 42,402.16 × 17,297.54
4. Step 4: Simplify right side
   30,726.18x = 733,453,058.69
5. Step 5: Solve for x
   x = 733,453,058.69/30,726.18
6. Step 6: Final answer
   x = 23,870.62