Finding the Fourth Proportional to 9,663.01, 13,331.93 and 5,413.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,663.01 : 13,331.93 = 5,413.50 : x
2. Step 2: Convert to fraction form
   9,663.01/13,331.93 = 5,413.50/x
3. Step 3: Cross multiply
   9,663.01x = 13,331.93 × 5,413.50
4. Step 4: Simplify right side
   9,663.01x = 72,172,309.33
5. Step 5: Solve for x
   x = 72,172,309.33/9,663.01
6. Step 6: Final answer
   x = 7,468.93