Finding the Fourth Proportional to 1,966.78, 2,713.98 and 1,082.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,966.78 : 2,713.98 = 1,082.62 : x
2. Step 2: Convert to fraction form
   1,966.78/2,713.98 = 1,082.62/x
3. Step 3: Cross multiply
   1,966.78x = 2,713.98 × 1,082.62
4. Step 4: Simplify right side
   1,966.78x = 2,938,209.03
5. Step 5: Solve for x
   x = 2,938,209.03/1,966.78
6. Step 6: Final answer
   x = 1,493.92