Finding the Fourth Proportional to 2,799.50, 3,863.31 and 1,540.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799.50 : 3,863.31 = 1,540.58 : x
2. Step 2: Convert to fraction form
   2,799.50/3,863.31 = 1,540.58/x
3. Step 3: Cross multiply
   2,799.50x = 3,863.31 × 1,540.58
4. Step 4: Simplify right side
   2,799.50x = 5,951,738.12
5. Step 5: Solve for x
   x = 5,951,738.12/2,799.50
6. Step 6: Final answer
   x = 2,126.00