Finding the Fourth Proportional to 11,697.77, 17,546.78 and 3,377.85

Step by Step Solution

1. Step 1: Write the proportion equation
   11,697.77 : 17,546.78 = 3,377.85 : x
2. Step 2: Convert to fraction form
   11,697.77/17,546.78 = 3,377.85/x
3. Step 3: Cross multiply
   11,697.77x = 17,546.78 × 3,377.85
4. Step 4: Simplify right side
   11,697.77x = 59,270,413.17
5. Step 5: Solve for x
   x = 59,270,413.17/11,697.77
6. Step 6: Final answer
   x = 5,066.81