Finding the Fourth Proportional to 2,017.23, 3,026.16 and 921.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.23 : 3,026.16 = 921.93 : x
2. Step 2: Convert to fraction form
   2,017.23/3,026.16 = 921.93/x
3. Step 3: Cross multiply
   2,017.23x = 3,026.16 × 921.93
4. Step 4: Simplify right side
   2,017.23x = 2,789,907.69
5. Step 5: Solve for x
   x = 2,789,907.69/2,017.23
6. Step 6: Final answer
   x = 1,383.04