Finding the Fourth Proportional to 17,609.82, 26,413.38 and 5,129.94

Step by Step Solution

1. Step 1: Write the proportion equation
   17,609.82 : 26,413.38 = 5,129.94 : x
2. Step 2: Convert to fraction form
   17,609.82/26,413.38 = 5,129.94/x
3. Step 3: Cross multiply
   17,609.82x = 26,413.38 × 5,129.94
4. Step 4: Simplify right side
   17,609.82x = 135,499,054.60
5. Step 5: Solve for x
   x = 135,499,054.60/17,609.82
6. Step 6: Final answer
   x = 7,694.52