Finding the Fourth Proportional to 2,535.21, 3,498.02 and 1,540.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,535.21 : 3,498.02 = 1,540.79 : x
2. Step 2: Convert to fraction form
   2,535.21/3,498.02 = 1,540.79/x
3. Step 3: Cross multiply
   2,535.21x = 3,498.02 × 1,540.79
4. Step 4: Simplify right side
   2,535.21x = 5,389,714.24
5. Step 5: Solve for x
   x = 5,389,714.24/2,535.21
6. Step 6: Final answer
   x = 2,125.94