Finding the Fourth Proportional to 7,077.14, 9,766.41 and 3,890.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,077.14 : 9,766.41 = 3,890.52 : x
2. Step 2: Convert to fraction form
   7,077.14/9,766.41 = 3,890.52/x
3. Step 3: Cross multiply
   7,077.14x = 9,766.41 × 3,890.52
4. Step 4: Simplify right side
   7,077.14x = 37,996,413.43
5. Step 5: Solve for x
   x = 37,996,413.43/7,077.14
6. Step 6: Final answer
   x = 5,368.89