Finding the Fourth Proportional to 2,776.18, 3,828.52 and 2,069.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,776.18 : 3,828.52 = 2,069.59 : x
2. Step 2: Convert to fraction form
   2,776.18/3,828.52 = 2,069.59/x
3. Step 3: Cross multiply
   2,776.18x = 3,828.52 × 2,069.59
4. Step 4: Simplify right side
   2,776.18x = 7,923,466.71
5. Step 5: Solve for x
   x = 7,923,466.71/2,776.18
6. Step 6: Final answer
   x = 2,854.09