Finding the Fourth Proportional to 2,634.48, 3,951.68 and 1,074.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,634.48 : 3,951.68 = 1,074.42 : x
2. Step 2: Convert to fraction form
   2,634.48/3,951.68 = 1,074.42/x
3. Step 3: Cross multiply
   2,634.48x = 3,951.68 × 1,074.42
4. Step 4: Simplify right side
   2,634.48x = 4,245,764.03
5. Step 5: Solve for x
   x = 4,245,764.03/2,634.48
6. Step 6: Final answer
   x = 1,611.61