Finding the Fourth Proportional to 2,391.18, 3,588.16 and 1,004.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.18 : 3,588.16 = 1,004.41 : x
2. Step 2: Convert to fraction form
   2,391.18/3,588.16 = 1,004.41/x
3. Step 3: Cross multiply
   2,391.18x = 3,588.16 × 1,004.41
4. Step 4: Simplify right side
   2,391.18x = 3,603,983.79
5. Step 5: Solve for x
   x = 3,603,983.79/2,391.18
6. Step 6: Final answer
   x = 1,507.20