Finding the Fourth Proportional to 8,300.07, 12,385.98 and 7,413.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,300.07 : 12,385.98 = 7,413.12 : x
2. Step 2: Convert to fraction form
   8,300.07/12,385.98 = 7,413.12/x
3. Step 3: Cross multiply
   8,300.07x = 12,385.98 × 7,413.12
4. Step 4: Simplify right side
   8,300.07x = 91,818,756.06
5. Step 5: Solve for x
   x = 91,818,756.06/8,300.07
6. Step 6: Final answer
   x = 11,062.41