Finding the Fourth Proportional to 12,719.69, 17,553.17 and 7,413.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,719.69 : 17,553.17 = 7,413.48 : x
2. Step 2: Convert to fraction form
   12,719.69/17,553.17 = 7,413.48/x
3. Step 3: Cross multiply
   12,719.69x = 17,553.17 × 7,413.48
4. Step 4: Simplify right side
   12,719.69x = 130,130,074.73
5. Step 5: Solve for x
   x = 130,130,074.73/12,719.69
6. Step 6: Final answer
   x = 10,230.60