Finding the Fourth Proportional to 9,392.51, 12,961.47 and 5,413.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,392.51 : 12,961.47 = 5,413.38 : x
2. Step 2: Convert to fraction form
   9,392.51/12,961.47 = 5,413.38/x
3. Step 3: Cross multiply
   9,392.51x = 12,961.47 × 5,413.38
4. Step 4: Simplify right side
   9,392.51x = 70,165,362.47
5. Step 5: Solve for x
   x = 70,165,362.47/9,392.51
6. Step 6: Final answer
   x = 7,470.35