Finding the Fourth Proportional to 22,483.19, 31,028.52 and 12,413.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,483.19 : 31,028.52 = 12,413.57 : x
2. Step 2: Convert to fraction form
   22,483.19/31,028.52 = 12,413.57/x
3. Step 3: Cross multiply
   22,483.19x = 31,028.52 × 12,413.57
4. Step 4: Simplify right side
   22,483.19x = 385,174,705.02
5. Step 5: Solve for x
   x = 385,174,705.02/22,483.19
6. Step 6: Final answer
   x = 17,131.68