Finding the Fourth Proportional to 2,427.81, 3,639.52 and 967.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,427.81 : 3,639.52 = 967.96 : x
2. Step 2: Convert to fraction form
   2,427.81/3,639.52 = 967.96/x
3. Step 3: Cross multiply
   2,427.81x = 3,639.52 × 967.96
4. Step 4: Simplify right side
   2,427.81x = 3,522,909.78
5. Step 5: Solve for x
   x = 3,522,909.78/2,427.81
6. Step 6: Final answer
   x = 1,451.06