Finding the Fourth Proportional to 2,356.87, 3,535.21 and 969.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.87 : 3,535.21 = 969.82 : x
2. Step 2: Convert to fraction form
   2,356.87/3,535.21 = 969.82/x
3. Step 3: Cross multiply
   2,356.87x = 3,535.21 × 969.82
4. Step 4: Simplify right side
   2,356.87x = 3,428,517.36
5. Step 5: Solve for x
   x = 3,428,517.36/2,356.87
6. Step 6: Final answer
   x = 1,454.69