Finding the Fourth Proportional to 12,413.61, 17,125.94 and 7,105.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,413.61 : 17,125.94 = 7,105.59 : x
2. Step 2: Convert to fraction form
   12,413.61/17,125.94 = 7,105.59/x
3. Step 3: Cross multiply
   12,413.61x = 17,125.94 × 7,105.59
4. Step 4: Simplify right side
   12,413.61x = 121,689,872.48
5. Step 5: Solve for x
   x = 121,689,872.48/12,413.61
6. Step 6: Final answer
   x = 9,802.94