Finding the Fourth Proportional to 2,069.44, 2,855.89 and 1,137.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.44 : 2,855.89 = 1,137.94 : x
2. Step 2: Convert to fraction form
   2,069.44/2,855.89 = 1,137.94/x
3. Step 3: Cross multiply
   2,069.44x = 2,855.89 × 1,137.94
4. Step 4: Simplify right side
   2,069.44x = 3,249,825.75
5. Step 5: Solve for x
   x = 3,249,825.75/2,069.44
6. Step 6: Final answer
   x = 1,570.39