Finding the Fourth Proportional to 1,981.12, 2,972.04 and 682.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.12 : 2,972.04 = 682.27 : x
2. Step 2: Convert to fraction form
   1,981.12/2,972.04 = 682.27/x
3. Step 3: Cross multiply
   1,981.12x = 2,972.04 × 682.27
4. Step 4: Simplify right side
   1,981.12x = 2,027,733.73
5. Step 5: Solve for x
   x = 2,027,733.73/1,981.12
6. Step 6: Final answer
   x = 1,023.53