Finding the Fourth Proportional to 786.27, 1,085.35 and 675.30

Step by Step Solution

1. Step 1: Write the proportion equation
   786.27 : 1,085.35 = 675.30 : x
2. Step 2: Convert to fraction form
   786.27/1,085.35 = 675.30/x
3. Step 3: Cross multiply
   786.27x = 1,085.35 × 675.30
4. Step 4: Simplify right side
   786.27x = 732,936.86
5. Step 5: Solve for x
   x = 732,936.86/786.27
6. Step 6: Final answer
   x = 932.17