Finding the Fourth Proportional to 9,306.77, 13,961.86 and 3,067.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,306.77 : 13,961.86 = 3,067.15 : x
2. Step 2: Convert to fraction form
   9,306.77/13,961.86 = 3,067.15/x
3. Step 3: Cross multiply
   9,306.77x = 13,961.86 × 3,067.15
4. Step 4: Simplify right side
   9,306.77x = 42,823,049.09
5. Step 5: Solve for x
   x = 42,823,049.09/9,306.77
6. Step 6: Final answer
   x = 4,601.28