Finding the Fourth Proportional to 8,518.77, 12,770.82 and 3,323.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,518.77 : 12,770.82 = 3,323.43 : x
2. Step 2: Convert to fraction form
   8,518.77/12,770.82 = 3,323.43/x
3. Step 3: Cross multiply
   8,518.77x = 12,770.82 × 3,323.43
4. Step 4: Simplify right side
   8,518.77x = 42,442,926.31
5. Step 5: Solve for x
   x = 42,442,926.31/8,518.77
6. Step 6: Final answer
   x = 4,982.28