Finding the Fourth Proportional to 2,293.69, 3,165.36 and 1,245.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.69 : 3,165.36 = 1,245.82 : x
2. Step 2: Convert to fraction form
   2,293.69/3,165.36 = 1,245.82/x
3. Step 3: Cross multiply
   2,293.69x = 3,165.36 × 1,245.82
4. Step 4: Simplify right side
   2,293.69x = 3,943,456.21
5. Step 5: Solve for x
   x = 3,943,456.21/2,293.69
6. Step 6: Final answer
   x = 1,719.26