Finding the Fourth Proportional to 30,536.94, 42,142.18 and 17,108.30

Step by Step Solution

1. Step 1: Write the proportion equation
   30,536.94 : 42,142.18 = 17,108.30 : x
2. Step 2: Convert to fraction form
   30,536.94/42,142.18 = 17,108.30/x
3. Step 3: Cross multiply
   30,536.94x = 42,142.18 × 17,108.30
4. Step 4: Simplify right side
   30,536.94x = 720,981,058.09
5. Step 5: Solve for x
   x = 720,981,058.09/30,536.94
6. Step 6: Final answer
   x = 23,610.13