Finding the Fourth Proportional to 2,118.43, 3,175.35 and 1,297.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118.43 : 3,175.35 = 1,297.25 : x
2. Step 2: Convert to fraction form
   2,118.43/3,175.35 = 1,297.25/x
3. Step 3: Cross multiply
   2,118.43x = 3,175.35 × 1,297.25
4. Step 4: Simplify right side
   2,118.43x = 4,119,222.79
5. Step 5: Solve for x
   x = 4,119,222.79/2,118.43
6. Step 6: Final answer
   x = 1,944.47