Finding the Fourth Proportional to 2,168.34, 3,250.08 and 936.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.34 : 3,250.08 = 936.78 : x
2. Step 2: Convert to fraction form
   2,168.34/3,250.08 = 936.78/x
3. Step 3: Cross multiply
   2,168.34x = 3,250.08 × 936.78
4. Step 4: Simplify right side
   2,168.34x = 3,044,609.94
5. Step 5: Solve for x
   x = 3,044,609.94/2,168.34
6. Step 6: Final answer
   x = 1,404.12