Finding the Fourth Proportional to 12,451.49, 17,179.39 and 7,413.19

Step by Step Solution

1. Step 1: Write the proportion equation
   12,451.49 : 17,179.39 = 7,413.19 : x
2. Step 2: Convert to fraction form
   12,451.49/17,179.39 = 7,413.19/x
3. Step 3: Cross multiply
   12,451.49x = 17,179.39 × 7,413.19
4. Step 4: Simplify right side
   12,451.49x = 127,354,082.15
5. Step 5: Solve for x
   x = 127,354,082.15/12,451.49
6. Step 6: Final answer
   x = 10,228.02