Finding the Fourth Proportional to 2,391.22, 3,587.33 and 1,003.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.22 : 3,587.33 = 1,003.74 : x
2. Step 2: Convert to fraction form
   2,391.22/3,587.33 = 1,003.74/x
3. Step 3: Cross multiply
   2,391.22x = 3,587.33 × 1,003.74
4. Step 4: Simplify right side
   2,391.22x = 3,600,763.12
5. Step 5: Solve for x
   x = 3,600,763.12/2,391.22
6. Step 6: Final answer
   x = 1,505.82