Finding the Fourth Proportional to 2,535.12, 3,498.48 and 1,540.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,535.12 : 3,498.48 = 1,540.32 : x
2. Step 2: Convert to fraction form
   2,535.12/3,498.48 = 1,540.32/x
3. Step 3: Cross multiply
   2,535.12x = 3,498.48 × 1,540.32
4. Step 4: Simplify right side
   2,535.12x = 5,388,778.71
5. Step 5: Solve for x
   x = 5,388,778.71/2,535.12
6. Step 6: Final answer
   x = 2,125.65