Finding the Fourth Proportional to 2,315.69, 3,195.72 and 1,267.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,315.69 : 3,195.72 = 1,267.82 : x
2. Step 2: Convert to fraction form
   2,315.69/3,195.72 = 1,267.82/x
3. Step 3: Cross multiply
   2,315.69x = 3,195.72 × 1,267.82
4. Step 4: Simplify right side
   2,315.69x = 4,051,597.73
5. Step 5: Solve for x
   x = 4,051,597.73/2,315.69
6. Step 6: Final answer
   x = 1,749.63