Finding the Fourth Proportional to 22,413.80, 30,930.77 and 12,342.03

Step by Step Solution

1. Step 1: Write the proportion equation
   22,413.80 : 30,930.77 = 12,342.03 : x
2. Step 2: Convert to fraction form
   22,413.80/30,930.77 = 12,342.03/x
3. Step 3: Cross multiply
   22,413.80x = 30,930.77 × 12,342.03
4. Step 4: Simplify right side
   22,413.80x = 381,748,429.55
5. Step 5: Solve for x
   x = 381,748,429.55/22,413.80
6. Step 6: Final answer
   x = 17,031.85