Finding the Fourth Proportional to 3,878.32, 5,814.78 and 1,797.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,878.32 : 5,814.78 = 1,797.16 : x
2. Step 2: Convert to fraction form
   3,878.32/5,814.78 = 1,797.16/x
3. Step 3: Cross multiply
   3,878.32x = 5,814.78 × 1,797.16
4. Step 4: Simplify right side
   3,878.32x = 10,450,090.02
5. Step 5: Solve for x
   x = 10,450,090.02/3,878.32
6. Step 6: Final answer
   x = 2,694.49