Finding the Fourth Proportional to 2,078.31, 2,868.12 and 1,182

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.31 : 2,868.12 = 1,182 : x
2. Step 2: Convert to fraction form
   2,078.31/2,868.12 = 1,182/x
3. Step 3: Cross multiply
   2,078.31x = 2,868.12 × 1,182
4. Step 4: Simplify right side
   2,078.31x = 3,390,117.84
5. Step 5: Solve for x
   x = 3,390,117.84/2,078.31
6. Step 6: Final answer
   x = 1,631.19