Finding the Fourth Proportional to 10,935.94, 15,098.72 and 8,413.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,935.94 : 15,098.72 = 8,413.38 : x
2. Step 2: Convert to fraction form
   10,935.94/15,098.72 = 8,413.38/x
3. Step 3: Cross multiply
   10,935.94x = 15,098.72 × 8,413.38
4. Step 4: Simplify right side
   10,935.94x = 127,031,268.87
5. Step 5: Solve for x
   x = 127,031,268.87/10,935.94
6. Step 6: Final answer
   x = 11,615.94