Finding the Fourth Proportional to 2,021.94, 3,028.82 and 924.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021.94 : 3,028.82 = 924.79 : x
2. Step 2: Convert to fraction form
   2,021.94/3,028.82 = 924.79/x
3. Step 3: Cross multiply
   2,021.94x = 3,028.82 × 924.79
4. Step 4: Simplify right side
   2,021.94x = 2,801,022.45
5. Step 5: Solve for x
   x = 2,801,022.45/2,021.94
6. Step 6: Final answer
   x = 1,385.31