Finding the Fourth Proportional to 2,799.47, 3,863.35 and 1,540.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799.47 : 3,863.35 = 1,540.58 : x
2. Step 2: Convert to fraction form
   2,799.47/3,863.35 = 1,540.58/x
3. Step 3: Cross multiply
   2,799.47x = 3,863.35 × 1,540.58
4. Step 4: Simplify right side
   2,799.47x = 5,951,799.74
5. Step 5: Solve for x
   x = 5,951,799.74/2,799.47
6. Step 6: Final answer
   x = 2,126.05