Finding the Fourth Proportional to 2,353.07, 3,530.15 and 1,258.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,353.07 : 3,530.15 = 1,258.49 : x
2. Step 2: Convert to fraction form
   2,353.07/3,530.15 = 1,258.49/x
3. Step 3: Cross multiply
   2,353.07x = 3,530.15 × 1,258.49
4. Step 4: Simplify right side
   2,353.07x = 4,442,658.47
5. Step 5: Solve for x
   x = 4,442,658.47/2,353.07
6. Step 6: Final answer
   x = 1,888.03