Finding the Fourth Proportional to 1,996.24, 2,994.68 and 1,216.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.24 : 2,994.68 = 1,216.82 : x
2. Step 2: Convert to fraction form
   1,996.24/2,994.68 = 1,216.82/x
3. Step 3: Cross multiply
   1,996.24x = 2,994.68 × 1,216.82
4. Step 4: Simplify right side
   1,996.24x = 3,643,986.52
5. Step 5: Solve for x
   x = 3,643,986.52/1,996.24
6. Step 6: Final answer
   x = 1,825.43