Finding the Fourth Proportional to 30,897.72, 42,641.24 and 17,469.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,897.72 : 42,641.24 = 17,469.25 : x
2. Step 2: Convert to fraction form
   30,897.72/42,641.24 = 17,469.25/x
3. Step 3: Cross multiply
   30,897.72x = 42,641.24 × 17,469.25
4. Step 4: Simplify right side
   30,897.72x = 744,910,287.92
5. Step 5: Solve for x
   x = 744,910,287.92/30,897.72
6. Step 6: Final answer
   x = 24,108.91