Finding the Fourth Proportional to 2,799.86, 3,863.52 and 1,540.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799.86 : 3,863.52 = 1,540.96 : x
2. Step 2: Convert to fraction form
   2,799.86/3,863.52 = 1,540.96/x
3. Step 3: Cross multiply
   2,799.86x = 3,863.52 × 1,540.96
4. Step 4: Simplify right side
   2,799.86x = 5,953,520.12
5. Step 5: Solve for x
   x = 5,953,520.12/2,799.86
6. Step 6: Final answer
   x = 2,126.37