Finding the Fourth Proportional to 30,651, 42,298.41 and 17,222.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,651 : 42,298.41 = 17,222.25 : x
2. Step 2: Convert to fraction form
   30,651/42,298.41 = 17,222.25/x
3. Step 3: Cross multiply
   30,651x = 42,298.41 × 17,222.25
4. Step 4: Simplify right side
   30,651x = 728,473,791.62
5. Step 5: Solve for x
   x = 728,473,791.62/30,651
6. Step 6: Final answer
   x = 23,766.72