Finding the Fourth Proportional to 2,078.40, 2,868.42 and 1,182.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.40 : 2,868.42 = 1,182.34 : x
2. Step 2: Convert to fraction form
   2,078.40/2,868.42 = 1,182.34/x
3. Step 3: Cross multiply
   2,078.40x = 2,868.42 × 1,182.34
4. Step 4: Simplify right side
   2,078.40x = 3,391,447.70
5. Step 5: Solve for x
   x = 3,391,447.70/2,078.40
6. Step 6: Final answer
   x = 1,631.76