Finding the Fourth Proportional to 2,799.48, 3,863.36 and 1,540.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799.48 : 3,863.36 = 1,540.60 : x
2. Step 2: Convert to fraction form
   2,799.48/3,863.36 = 1,540.60/x
3. Step 3: Cross multiply
   2,799.48x = 3,863.36 × 1,540.60
4. Step 4: Simplify right side
   2,799.48x = 5,951,892.42
5. Step 5: Solve for x
   x = 5,951,892.42/2,799.48
6. Step 6: Final answer
   x = 2,126.07