Finding the Fourth Proportional to 2,456.62, 3,685.56 and 1,069.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.62 : 3,685.56 = 1,069.60 : x
2. Step 2: Convert to fraction form
   2,456.62/3,685.56 = 1,069.60/x
3. Step 3: Cross multiply
   2,456.62x = 3,685.56 × 1,069.60
4. Step 4: Simplify right side
   2,456.62x = 3,942,065.76
5. Step 5: Solve for x
   x = 3,942,065.76/2,456.62
6. Step 6: Final answer
   x = 1,604.67