Finding the Fourth Proportional to 2,456.02, 3,685.50 and 1,069.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.02 : 3,685.50 = 1,069.72 : x
2. Step 2: Convert to fraction form
   2,456.02/3,685.50 = 1,069.72/x
3. Step 3: Cross multiply
   2,456.02x = 3,685.50 × 1,069.72
4. Step 4: Simplify right side
   2,456.02x = 3,942,453.06
5. Step 5: Solve for x
   x = 3,942,453.06/2,456.02
6. Step 6: Final answer
   x = 1,605.22