Finding the Fourth Proportional to 8,514.42, 12,778.96 and 3,323.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,514.42 : 12,778.96 = 3,323.94 : x
2. Step 2: Convert to fraction form
   8,514.42/12,778.96 = 3,323.94/x
3. Step 3: Cross multiply
   8,514.42x = 12,778.96 × 3,323.94
4. Step 4: Simplify right side
   8,514.42x = 42,476,496.30
5. Step 5: Solve for x
   x = 42,476,496.30/8,514.42
6. Step 6: Final answer
   x = 4,988.77