Finding the Fourth Proportional to 2,356.15, 3,535.59 and 969.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.15 : 3,535.59 = 969.63 : x
2. Step 2: Convert to fraction form
   2,356.15/3,535.59 = 969.63/x
3. Step 3: Cross multiply
   2,356.15x = 3,535.59 × 969.63
4. Step 4: Simplify right side
   2,356.15x = 3,428,206.31
5. Step 5: Solve for x
   x = 3,428,206.31/2,356.15
6. Step 6: Final answer
   x = 1,455.00