Finding the Fourth Proportional to 3,878.50, 5,817.67 and 956.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,878.50 : 5,817.67 = 956.83 : x
2. Step 2: Convert to fraction form
   3,878.50/5,817.67 = 956.83/x
3. Step 3: Cross multiply
   3,878.50x = 5,817.67 × 956.83
4. Step 4: Simplify right side
   3,878.50x = 5,566,504.25
5. Step 5: Solve for x
   x = 5,566,504.25/3,878.50
6. Step 6: Final answer
   x = 1,435.22