Finding the Fourth Proportional to 8,517.33, 12,777.89 and 3,323.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,517.33 : 12,777.89 = 3,323.25 : x
2. Step 2: Convert to fraction form
   8,517.33/12,777.89 = 3,323.25/x
3. Step 3: Cross multiply
   8,517.33x = 12,777.89 × 3,323.25
4. Step 4: Simplify right side
   8,517.33x = 42,464,106.33
5. Step 5: Solve for x
   x = 42,464,106.33/8,517.33
6. Step 6: Final answer
   x = 4,985.61