Finding the Fourth Proportional to 3,878.83, 5,818.18 and 957.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,878.83 : 5,818.18 = 957.14 : x
2. Step 2: Convert to fraction form
   3,878.83/5,818.18 = 957.14/x
3. Step 3: Cross multiply
   3,878.83x = 5,818.18 × 957.14
4. Step 4: Simplify right side
   3,878.83x = 5,568,812.81
5. Step 5: Solve for x
   x = 5,568,812.81/3,878.83
6. Step 6: Final answer
   x = 1,435.69