Finding the Fourth Proportional to 30,603.98, 42,235.36 and 17,176.10

Step by Step Solution

1. Step 1: Write the proportion equation
   30,603.98 : 42,235.36 = 17,176.10 : x
2. Step 2: Convert to fraction form
   30,603.98/42,235.36 = 17,176.10/x
3. Step 3: Cross multiply
   30,603.98x = 42,235.36 × 17,176.10
4. Step 4: Simplify right side
   30,603.98x = 725,438,512.78
5. Step 5: Solve for x
   x = 725,438,512.78/30,603.98
6. Step 6: Final answer
   x = 23,704.06