Finding the Fourth Proportional to 22,485.24, 31,028.82 and 12,413.46

Step by Step Solution

1. Step 1: Write the proportion equation
   22,485.24 : 31,028.82 = 12,413.46 : x
2. Step 2: Convert to fraction form
   22,485.24/31,028.82 = 12,413.46/x
3. Step 3: Cross multiply
   22,485.24x = 31,028.82 × 12,413.46
4. Step 4: Simplify right side
   22,485.24x = 385,175,085.72
5. Step 5: Solve for x
   x = 385,175,085.72/22,485.24
6. Step 6: Final answer
   x = 17,130.13