Finding the Fourth Proportional to 1,590.33, 2,383.37 and 1,003.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,590.33 : 2,383.37 = 1,003.49 : x
2. Step 2: Convert to fraction form
   1,590.33/2,383.37 = 1,003.49/x
3. Step 3: Cross multiply
   1,590.33x = 2,383.37 × 1,003.49
4. Step 4: Simplify right side
   1,590.33x = 2,391,671.03
5. Step 5: Solve for x
   x = 2,391,671.03/1,590.33
6. Step 6: Final answer
   x = 1,503.88