Finding the Fourth Proportional to 17,945.49, 26,928.15 and 7,413.06

Step by Step Solution

1. Step 1: Write the proportion equation
   17,945.49 : 26,928.15 = 7,413.06 : x
2. Step 2: Convert to fraction form
   17,945.49/26,928.15 = 7,413.06/x
3. Step 3: Cross multiply
   17,945.49x = 26,928.15 × 7,413.06
4. Step 4: Simplify right side
   17,945.49x = 199,619,991.64
5. Step 5: Solve for x
   x = 199,619,991.64/17,945.49
6. Step 6: Final answer
   x = 11,123.69