Finding the Fourth Proportional to 1,141.26, 1,574.55 and 699.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.26 : 1,574.55 = 699.27 : x
2. Step 2: Convert to fraction form
   1,141.26/1,574.55 = 699.27/x
3. Step 3: Cross multiply
   1,141.26x = 1,574.55 × 699.27
4. Step 4: Simplify right side
   1,141.26x = 1,101,035.58
5. Step 5: Solve for x
   x = 1,101,035.58/1,141.26
6. Step 6: Final answer
   x = 964.75