Finding the Fourth Proportional to 2,799.81, 3,863.52 and 1,540.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799.81 : 3,863.52 = 1,540.89 : x
2. Step 2: Convert to fraction form
   2,799.81/3,863.52 = 1,540.89/x
3. Step 3: Cross multiply
   2,799.81x = 3,863.52 × 1,540.89
4. Step 4: Simplify right side
   2,799.81x = 5,953,259.33
5. Step 5: Solve for x
   x = 5,953,259.33/2,799.81
6. Step 6: Final answer
   x = 2,126.31