Finding the Fourth Proportional to 1,981.73, 2,973.33 and 683.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.73 : 2,973.33 = 683.30 : x
2. Step 2: Convert to fraction form
   1,981.73/2,973.33 = 683.30/x
3. Step 3: Cross multiply
   1,981.73x = 2,973.33 × 683.30
4. Step 4: Simplify right side
   1,981.73x = 2,031,676.39
5. Step 5: Solve for x
   x = 2,031,676.39/1,981.73
6. Step 6: Final answer
   x = 1,025.20