Finding the Fourth Proportional to 1,269.57, 1,751.52 and 827.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,269.57 : 1,751.52 = 827.31 : x
2. Step 2: Convert to fraction form
   1,269.57/1,751.52 = 827.31/x
3. Step 3: Cross multiply
   1,269.57x = 1,751.52 × 827.31
4. Step 4: Simplify right side
   1,269.57x = 1,449,059.68
5. Step 5: Solve for x
   x = 1,449,059.68/1,269.57
6. Step 6: Final answer
   x = 1,141.37