Finding the Fourth Proportional to 2,069.54, 2,856 and 1,185.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.54 : 2,856 = 1,185.42 : x
2. Step 2: Convert to fraction form
   2,069.54/2,856 = 1,185.42/x
3. Step 3: Cross multiply
   2,069.54x = 2,856 × 1,185.42
4. Step 4: Simplify right side
   2,069.54x = 3,385,559.52
5. Step 5: Solve for x
   x = 3,385,559.52/2,069.54
6. Step 6: Final answer
   x = 1,635.90