Finding the Fourth Proportional to 30,485.08, 42,069.41 and 17,059.49

Step by Step Solution

1. Step 1: Write the proportion equation
   30,485.08 : 42,069.41 = 17,059.49 : x
2. Step 2: Convert to fraction form
   30,485.08/42,069.41 = 17,059.49/x
3. Step 3: Cross multiply
   30,485.08x = 42,069.41 × 17,059.49
4. Step 4: Simplify right side
   30,485.08x = 717,682,605.29
5. Step 5: Solve for x
   x = 717,682,605.29/30,485.08
6. Step 6: Final answer
   x = 23,542.09