Finding the Fourth Proportional to 2,284.81, 3,427.31 and 969.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.81 : 3,427.31 = 969.17 : x
2. Step 2: Convert to fraction form
   2,284.81/3,427.31 = 969.17/x
3. Step 3: Cross multiply
   2,284.81x = 3,427.31 × 969.17
4. Step 4: Simplify right side
   2,284.81x = 3,321,631.32
5. Step 5: Solve for x
   x = 3,321,631.32/2,284.81
6. Step 6: Final answer
   x = 1,453.79