Finding the Fourth Proportional to 30,897.93, 42,641.33 and 17,469.31

Step by Step Solution

1. Step 1: Write the proportion equation
   30,897.93 : 42,641.33 = 17,469.31 : x
2. Step 2: Convert to fraction form
   30,897.93/42,641.33 = 17,469.31/x
3. Step 3: Cross multiply
   30,897.93x = 42,641.33 × 17,469.31
4. Step 4: Simplify right side
   30,897.93x = 744,914,612.58
5. Step 5: Solve for x
   x = 744,914,612.58/30,897.93
6. Step 6: Final answer
   x = 24,108.88