Finding the Fourth Proportional to 1,162.72, 1,743.54 and 675.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.72 : 1,743.54 = 675.91 : x
2. Step 2: Convert to fraction form
   1,162.72/1,743.54 = 675.91/x
3. Step 3: Cross multiply
   1,162.72x = 1,743.54 × 675.91
4. Step 4: Simplify right side
   1,162.72x = 1,178,476.12
5. Step 5: Solve for x
   x = 1,178,476.12/1,162.72
6. Step 6: Final answer
   x = 1,013.55