Finding the Fourth Proportional to 2,559.15, 3,833.06 and 2,069.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559.15 : 3,833.06 = 2,069.91 : x
2. Step 2: Convert to fraction form
   2,559.15/3,833.06 = 2,069.91/x
3. Step 3: Cross multiply
   2,559.15x = 3,833.06 × 2,069.91
4. Step 4: Simplify right side
   2,559.15x = 7,934,078.88
5. Step 5: Solve for x
   x = 7,934,078.88/2,559.15
6. Step 6: Final answer
   x = 3,100.28