Finding the Fourth Proportional to 9,392.78, 12,962.03 and 5,413.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,392.78 : 12,962.03 = 5,413.83 : x
2. Step 2: Convert to fraction form
   9,392.78/12,962.03 = 5,413.83/x
3. Step 3: Cross multiply
   9,392.78x = 12,962.03 × 5,413.83
4. Step 4: Simplify right side
   9,392.78x = 70,174,199.81
5. Step 5: Solve for x
   x = 70,174,199.81/9,392.78
6. Step 6: Final answer
   x = 7,471.08