Finding the Fourth Proportional to 3,770.96, 5,200.64 and 2,443.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,770.96 : 5,200.64 = 2,443.40 : x
2. Step 2: Convert to fraction form
   3,770.96/5,200.64 = 2,443.40/x
3. Step 3: Cross multiply
   3,770.96x = 5,200.64 × 2,443.40
4. Step 4: Simplify right side
   3,770.96x = 12,707,243.78
5. Step 5: Solve for x
   x = 12,707,243.78/3,770.96
6. Step 6: Final answer
   x = 3,369.76