Finding the Fourth Proportional to 2,390.67, 3,582.34 and 1,003.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.67 : 3,582.34 = 1,003.25 : x
2. Step 2: Convert to fraction form
   2,390.67/3,582.34 = 1,003.25/x
3. Step 3: Cross multiply
   2,390.67x = 3,582.34 × 1,003.25
4. Step 4: Simplify right side
   2,390.67x = 3,593,982.61
5. Step 5: Solve for x
   x = 3,593,982.61/2,390.67
6. Step 6: Final answer
   x = 1,503.34