Finding the Fourth Proportional to 30,536.37, 42,142.91 and 17,107.54

Step by Step Solution

1. Step 1: Write the proportion equation
   30,536.37 : 42,142.91 = 17,107.54 : x
2. Step 2: Convert to fraction form
   30,536.37/42,142.91 = 17,107.54/x
3. Step 3: Cross multiply
   30,536.37x = 42,142.91 × 17,107.54
4. Step 4: Simplify right side
   30,536.37x = 720,961,327.65
5. Step 5: Solve for x
   x = 720,961,327.65/30,536.37
6. Step 6: Final answer
   x = 23,609.92