Finding the Fourth Proportional to 9,235.06, 12,744.49 and 5,043.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,235.06 : 12,744.49 = 5,043.31 : x
2. Step 2: Convert to fraction form
   9,235.06/12,744.49 = 5,043.31/x
3. Step 3: Cross multiply
   9,235.06x = 12,744.49 × 5,043.31
4. Step 4: Simplify right side
   9,235.06x = 64,274,413.86
5. Step 5: Solve for x
   x = 64,274,413.86/9,235.06
6. Step 6: Final answer
   x = 6,959.83