Finding the Fourth Proportional to 30,532.98, 42,136.20 and 17,103.54

Step by Step Solution

1. Step 1: Write the proportion equation
   30,532.98 : 42,136.20 = 17,103.54 : x
2. Step 2: Convert to fraction form
   30,532.98/42,136.20 = 17,103.54/x
3. Step 3: Cross multiply
   30,532.98x = 42,136.20 × 17,103.54
4. Step 4: Simplify right side
   30,532.98x = 720,678,182.15
5. Step 5: Solve for x
   x = 720,678,182.15/30,532.98
6. Step 6: Final answer
   x = 23,603.27