Finding the Fourth Proportional to 1,996.56, 2,993.76 and 842.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.56 : 2,993.76 = 842.04 : x
2. Step 2: Convert to fraction form
   1,996.56/2,993.76 = 842.04/x
3. Step 3: Cross multiply
   1,996.56x = 2,993.76 × 842.04
4. Step 4: Simplify right side
   1,996.56x = 2,520,865.67
5. Step 5: Solve for x
   x = 2,520,865.67/1,996.56
6. Step 6: Final answer
   x = 1,262.60