Finding the Fourth Proportional to 2,356.52, 3,535.58 and 817.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.52 : 3,535.58 = 817.48 : x
2. Step 2: Convert to fraction form
   2,356.52/3,535.58 = 817.48/x
3. Step 3: Cross multiply
   2,356.52x = 3,535.58 × 817.48
4. Step 4: Simplify right side
   2,356.52x = 2,890,265.94
5. Step 5: Solve for x
   x = 2,890,265.94/2,356.52
6. Step 6: Final answer
   x = 1,226.50