Finding the Fourth Proportional to 6,904.63, 9,528.83 and 3,919.33

Step by Step Solution

1. Step 1: Write the proportion equation
   6,904.63 : 9,528.83 = 3,919.33 : x
2. Step 2: Convert to fraction form
   6,904.63/9,528.83 = 3,919.33/x
3. Step 3: Cross multiply
   6,904.63x = 9,528.83 × 3,919.33
4. Step 4: Simplify right side
   6,904.63x = 37,346,629.28
5. Step 5: Solve for x
   x = 37,346,629.28/6,904.63
6. Step 6: Final answer
   x = 5,408.93