Finding the Fourth Proportional to 2,567.16, 3,519.56 and 2,520.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,567.16 : 3,519.56 = 2,520.45 : x
2. Step 2: Convert to fraction form
   2,567.16/3,519.56 = 2,520.45/x
3. Step 3: Cross multiply
   2,567.16x = 3,519.56 × 2,520.45
4. Step 4: Simplify right side
   2,567.16x = 8,870,881.30
5. Step 5: Solve for x
   x = 8,870,881.30/2,567.16
6. Step 6: Final answer
   x = 3,455.52