Finding the Fourth Proportional to 2,111.42, 3,164.07 and 1,456.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.42 : 3,164.07 = 1,456.94 : x
2. Step 2: Convert to fraction form
   2,111.42/3,164.07 = 1,456.94/x
3. Step 3: Cross multiply
   2,111.42x = 3,164.07 × 1,456.94
4. Step 4: Simplify right side
   2,111.42x = 4,609,860.15
5. Step 5: Solve for x
   x = 4,609,860.15/2,111.42
6. Step 6: Final answer
   x = 2,183.30