Finding the Fourth Proportional to 8,919.25, 12,308.56 and 4,940.33

Step by Step Solution

1. Step 1: Write the proportion equation
   8,919.25 : 12,308.56 = 4,940.33 : x
2. Step 2: Convert to fraction form
   8,919.25/12,308.56 = 4,940.33/x
3. Step 3: Cross multiply
   8,919.25x = 12,308.56 × 4,940.33
4. Step 4: Simplify right side
   8,919.25x = 60,808,274.33
5. Step 5: Solve for x
   x = 60,808,274.33/8,919.25
6. Step 6: Final answer
   x = 6,817.65