Finding the Fourth Proportional to 3,631.42, 5,443.08 and 2,245.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,631.42 : 5,443.08 = 2,245.78 : x
2. Step 2: Convert to fraction form
   3,631.42/5,443.08 = 2,245.78/x
3. Step 3: Cross multiply
   3,631.42x = 5,443.08 × 2,245.78
4. Step 4: Simplify right side
   3,631.42x = 12,223,960.20
5. Step 5: Solve for x
   x = 12,223,960.20/3,631.42
6. Step 6: Final answer
   x = 3,366.17