Finding the Fourth Proportional to 9,309.32, 13,964.49 and 3,069.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,309.32 : 13,964.49 = 3,069.08 : x
2. Step 2: Convert to fraction form
   9,309.32/13,964.49 = 3,069.08/x
3. Step 3: Cross multiply
   9,309.32x = 13,964.49 × 3,069.08
4. Step 4: Simplify right side
   9,309.32x = 42,858,067.15
5. Step 5: Solve for x
   x = 42,858,067.15/9,309.32
6. Step 6: Final answer
   x = 4,603.78