Finding the Fourth Proportional to 12,619.58, 17,413.50 and 7,241.74

Step by Step Solution

1. Step 1: Write the proportion equation
   12,619.58 : 17,413.50 = 7,241.74 : x
2. Step 2: Convert to fraction form
   12,619.58/17,413.50 = 7,241.74/x
3. Step 3: Cross multiply
   12,619.58x = 17,413.50 × 7,241.74
4. Step 4: Simplify right side
   12,619.58x = 126,104,039.49
5. Step 5: Solve for x
   x = 126,104,039.49/12,619.58
6. Step 6: Final answer
   x = 9,992.73