Finding the Fourth Proportional to 3,630.78, 5,443.78 and 2,394.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,630.78 : 5,443.78 = 2,394.42 : x
2. Step 2: Convert to fraction form
   3,630.78/5,443.78 = 2,394.42/x
3. Step 3: Cross multiply
   3,630.78x = 5,443.78 × 2,394.42
4. Step 4: Simplify right side
   3,630.78x = 13,034,695.71
5. Step 5: Solve for x
   x = 13,034,695.71/3,630.78
6. Step 6: Final answer
   x = 3,590.05