Finding the Fourth Proportional to 22,291.31, 33,413.40 and 8,242.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,291.31 : 33,413.40 = 8,242.32 : x
2. Step 2: Convert to fraction form
   22,291.31/33,413.40 = 8,242.32/x
3. Step 3: Cross multiply
   22,291.31x = 33,413.40 × 8,242.32
4. Step 4: Simplify right side
   22,291.31x = 275,404,060.39
5. Step 5: Solve for x
   x = 275,404,060.39/22,291.31
6. Step 6: Final answer
   x = 12,354.77