Finding the Fourth Proportional to 2,567.12, 3,819.94 and 2,558.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,567.12 : 3,819.94 = 2,558.48 : x
2. Step 2: Convert to fraction form
   2,567.12/3,819.94 = 2,558.48/x
3. Step 3: Cross multiply
   2,567.12x = 3,819.94 × 2,558.48
4. Step 4: Simplify right side
   2,567.12x = 9,773,240.09
5. Step 5: Solve for x
   x = 9,773,240.09/2,567.12
6. Step 6: Final answer
   x = 3,807.08