Finding the Fourth Proportional to 2,456.55, 3,684.15 and 1,069.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.55 : 3,684.15 = 1,069.16 : x
2. Step 2: Convert to fraction form
   2,456.55/3,684.15 = 1,069.16/x
3. Step 3: Cross multiply
   2,456.55x = 3,684.15 × 1,069.16
4. Step 4: Simplify right side
   2,456.55x = 3,938,927.39
5. Step 5: Solve for x
   x = 3,938,927.39/2,456.55
6. Step 6: Final answer
   x = 1,603.44