Finding the Fourth Proportional to 9,392.96, 12,961.82 and 5,413.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,392.96 : 12,961.82 = 5,413.84 : x
2. Step 2: Convert to fraction form
   9,392.96/12,961.82 = 5,413.84/x
3. Step 3: Cross multiply
   9,392.96x = 12,961.82 × 5,413.84
4. Step 4: Simplify right side
   9,392.96x = 70,173,200.72
5. Step 5: Solve for x
   x = 70,173,200.72/9,392.96
6. Step 6: Final answer
   x = 7,470.83