Finding the Fourth Proportional to 2,017.24, 3,026.16 and 921.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.24 : 3,026.16 = 921.92 : x
2. Step 2: Convert to fraction form
   2,017.24/3,026.16 = 921.92/x
3. Step 3: Cross multiply
   2,017.24x = 3,026.16 × 921.92
4. Step 4: Simplify right side
   2,017.24x = 2,789,877.43
5. Step 5: Solve for x
   x = 2,789,877.43/2,017.24
6. Step 6: Final answer
   x = 1,383.02