Finding the Fourth Proportional to 12,413.36, 17,125.59 and 7,105.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,413.36 : 17,125.59 = 7,105.34 : x
2. Step 2: Convert to fraction form
   12,413.36/17,125.59 = 7,105.34/x
3. Step 3: Cross multiply
   12,413.36x = 17,125.59 × 7,105.34
4. Step 4: Simplify right side
   12,413.36x = 121,683,139.65
5. Step 5: Solve for x
   x = 121,683,139.65/12,413.36
6. Step 6: Final answer
   x = 9,802.59