Finding the Fourth Proportional to 2,390.10, 3,587.30 and 1,004.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.10 : 3,587.30 = 1,004.46 : x
2. Step 2: Convert to fraction form
   2,390.10/3,587.30 = 1,004.46/x
3. Step 3: Cross multiply
   2,390.10x = 3,587.30 × 1,004.46
4. Step 4: Simplify right side
   2,390.10x = 3,603,283.93
5. Step 5: Solve for x
   x = 3,603,283.93/2,390.10
6. Step 6: Final answer
   x = 1,507.59