Finding the Fourth Proportional to 1,997.38, 2,994.18 and 1,021.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.38 : 2,994.18 = 1,021.33 : x
2. Step 2: Convert to fraction form
   1,997.38/2,994.18 = 1,021.33/x
3. Step 3: Cross multiply
   1,997.38x = 2,994.18 × 1,021.33
4. Step 4: Simplify right side
   1,997.38x = 3,058,045.86
5. Step 5: Solve for x
   x = 3,058,045.86/1,997.38
6. Step 6: Final answer
   x = 1,531.03