Finding the Fourth Proportional to 2,769.24, 3,821.82 and 2,069.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,769.24 : 3,821.82 = 2,069.40 : x
2. Step 2: Convert to fraction form
   2,769.24/3,821.82 = 2,069.40/x
3. Step 3: Cross multiply
   2,769.24x = 3,821.82 × 2,069.40
4. Step 4: Simplify right side
   2,769.24x = 7,908,874.31
5. Step 5: Solve for x
   x = 7,908,874.31/2,769.24
6. Step 6: Final answer
   x = 2,855.97