Finding the Fourth Proportional to 2,114.16, 3,171.69 and 1,074.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.16 : 3,171.69 = 1,074.66 : x
2. Step 2: Convert to fraction form
   2,114.16/3,171.69 = 1,074.66/x
3. Step 3: Cross multiply
   2,114.16x = 3,171.69 × 1,074.66
4. Step 4: Simplify right side
   2,114.16x = 3,408,488.38
5. Step 5: Solve for x
   x = 3,408,488.38/2,114.16
6. Step 6: Final answer
   x = 1,612.22