Finding the Fourth Proportional to 11,608.82, 17,413.18 and 3,817.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,608.82 : 17,413.18 = 3,817.63 : x
2. Step 2: Convert to fraction form
   11,608.82/17,413.18 = 3,817.63/x
3. Step 3: Cross multiply
   11,608.82x = 17,413.18 × 3,817.63
4. Step 4: Simplify right side
   11,608.82x = 66,477,090.59
5. Step 5: Solve for x
   x = 66,477,090.59/11,608.82
6. Step 6: Final answer
   x = 5,726.43