Finding the Fourth Proportional to 30,897.81, 42,638.49 and 17,468.55

Step by Step Solution

1. Step 1: Write the proportion equation
   30,897.81 : 42,638.49 = 17,468.55 : x
2. Step 2: Convert to fraction form
   30,897.81/42,638.49 = 17,468.55/x
3. Step 3: Cross multiply
   30,897.81x = 42,638.49 × 17,468.55
4. Step 4: Simplify right side
   30,897.81x = 744,832,594.49
5. Step 5: Solve for x
   x = 744,832,594.49/30,897.81
6. Step 6: Final answer
   x = 24,106.32