Finding the Fourth Proportional to 30,650.97, 42,298.56 and 17,222.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,650.97 : 42,298.56 = 17,222.25 : x
2. Step 2: Convert to fraction form
   30,650.97/42,298.56 = 17,222.25/x
3. Step 3: Cross multiply
   30,650.97x = 42,298.56 × 17,222.25
4. Step 4: Simplify right side
   30,650.97x = 728,476,374.96
5. Step 5: Solve for x
   x = 728,476,374.96/30,650.97
6. Step 6: Final answer
   x = 23,766.83