Finding the Fourth Proportional to 2,523.82, 3,484.56 and 2,257.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,523.82 : 3,484.56 = 2,257.42 : x
2. Step 2: Convert to fraction form
   2,523.82/3,484.56 = 2,257.42/x
3. Step 3: Cross multiply
   2,523.82x = 3,484.56 × 2,257.42
4. Step 4: Simplify right side
   2,523.82x = 7,866,115.44
5. Step 5: Solve for x
   x = 7,866,115.44/2,523.82
6. Step 6: Final answer
   x = 3,116.75