Finding the Fourth Proportional to 3,431.22, 4,734.72 and 2,535.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,431.22 : 4,734.72 = 2,535.42 : x
2. Step 2: Convert to fraction form
   3,431.22/4,734.72 = 2,535.42/x
3. Step 3: Cross multiply
   3,431.22x = 4,734.72 × 2,535.42
4. Step 4: Simplify right side
   3,431.22x = 12,004,503.78
5. Step 5: Solve for x
   x = 12,004,503.78/3,431.22
6. Step 6: Final answer
   x = 3,498.61