Finding the Fourth Proportional to 2,171.49, 2,993.67 and 1,374.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171.49 : 2,993.67 = 1,374.42 : x
2. Step 2: Convert to fraction form
   2,171.49/2,993.67 = 1,374.42/x
3. Step 3: Cross multiply
   2,171.49x = 2,993.67 × 1,374.42
4. Step 4: Simplify right side
   2,171.49x = 4,114,559.92
5. Step 5: Solve for x
   x = 4,114,559.92/2,171.49
6. Step 6: Final answer
   x = 1,894.81