Finding the Fourth Proportional to 2,559.36, 3,842.69 and 2,442.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559.36 : 3,842.69 = 2,442.72 : x
2. Step 2: Convert to fraction form
   2,559.36/3,842.69 = 2,442.72/x
3. Step 3: Cross multiply
   2,559.36x = 3,842.69 × 2,442.72
4. Step 4: Simplify right side
   2,559.36x = 9,386,603.50
5. Step 5: Solve for x
   x = 9,386,603.50/2,559.36
6. Step 6: Final answer
   x = 3,667.56