Finding the Fourth Proportional to 2,353.74, 3,247.72 and 1,358.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,353.74 : 3,247.72 = 1,358.65 : x
2. Step 2: Convert to fraction form
   2,353.74/3,247.72 = 1,358.65/x
3. Step 3: Cross multiply
   2,353.74x = 3,247.72 × 1,358.65
4. Step 4: Simplify right side
   2,353.74x = 4,412,514.78
5. Step 5: Solve for x
   x = 4,412,514.78/2,353.74
6. Step 6: Final answer
   x = 1,874.68