Finding the Fourth Proportional to 9,413.52, 14,109.20 and 3,864.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,413.52 : 14,109.20 = 3,864.12 : x
2. Step 2: Convert to fraction form
   9,413.52/14,109.20 = 3,864.12/x
3. Step 3: Cross multiply
   9,413.52x = 14,109.20 × 3,864.12
4. Step 4: Simplify right side
   9,413.52x = 54,519,641.90
5. Step 5: Solve for x
   x = 54,519,641.90/9,413.52
6. Step 6: Final answer
   x = 5,791.63