Finding the Fourth Proportional to 2,331.54, 3,494.88 and 870.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,331.54 : 3,494.88 = 870.03 : x
2. Step 2: Convert to fraction form
   2,331.54/3,494.88 = 870.03/x
3. Step 3: Cross multiply
   2,331.54x = 3,494.88 × 870.03
4. Step 4: Simplify right side
   2,331.54x = 3,040,650.45
5. Step 5: Solve for x
   x = 3,040,650.45/2,331.54
6. Step 6: Final answer
   x = 1,304.14