Finding the Fourth Proportional to 8,413.10, 12,554.76 and 7,361.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,413.10 : 12,554.76 = 7,361.27 : x
2. Step 2: Convert to fraction form
   8,413.10/12,554.76 = 7,361.27/x
3. Step 3: Cross multiply
   8,413.10x = 12,554.76 × 7,361.27
4. Step 4: Simplify right side
   8,413.10x = 92,418,915.37
5. Step 5: Solve for x
   x = 92,418,915.37/8,413.10
6. Step 6: Final answer
   x = 10,985.13