Finding the Fourth Proportional to 30,897.62, 42,638.27 and 17,468.43

Step by Step Solution

1. Step 1: Write the proportion equation
   30,897.62 : 42,638.27 = 17,468.43 : x
2. Step 2: Convert to fraction form
   30,897.62/42,638.27 = 17,468.43/x
3. Step 3: Cross multiply
   30,897.62x = 42,638.27 × 17,468.43
4. Step 4: Simplify right side
   30,897.62x = 744,823,547.47
5. Step 5: Solve for x
   x = 744,823,547.47/30,897.62
6. Step 6: Final answer
   x = 24,106.18