Finding the Fourth Proportional to 22,485.37, 31,029.86 and 12,413.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,485.37 : 31,029.86 = 12,413.83 : x
2. Step 2: Convert to fraction form
   22,485.37/31,029.86 = 12,413.83/x
3. Step 3: Cross multiply
   22,485.37x = 31,029.86 × 12,413.83
4. Step 4: Simplify right side
   22,485.37x = 385,199,470.96
5. Step 5: Solve for x
   x = 385,199,470.96/22,485.37
6. Step 6: Final answer
   x = 17,131.11