Finding the Fourth Proportional to 2,175.18, 3,257.52 and 1,078.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175.18 : 3,257.52 = 1,078.02 : x
2. Step 2: Convert to fraction form
   2,175.18/3,257.52 = 1,078.02/x
3. Step 3: Cross multiply
   2,175.18x = 3,257.52 × 1,078.02
4. Step 4: Simplify right side
   2,175.18x = 3,511,671.71
5. Step 5: Solve for x
   x = 3,511,671.71/2,175.18
6. Step 6: Final answer
   x = 1,614.43