Finding the Fourth Proportional to 2,799.69, 3,863.48 and 1,540.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799.69 : 3,863.48 = 1,540.68 : x
2. Step 2: Convert to fraction form
   2,799.69/3,863.48 = 1,540.68/x
3. Step 3: Cross multiply
   2,799.69x = 3,863.48 × 1,540.68
4. Step 4: Simplify right side
   2,799.69x = 5,952,359.35
5. Step 5: Solve for x
   x = 5,952,359.35/2,799.69
6. Step 6: Final answer
   x = 2,126.08