Finding the Fourth Proportional to 1,009.27, 1,510.28 and 731.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009.27 : 1,510.28 = 731.94 : x
2. Step 2: Convert to fraction form
   1,009.27/1,510.28 = 731.94/x
3. Step 3: Cross multiply
   1,009.27x = 1,510.28 × 731.94
4. Step 4: Simplify right side
   1,009.27x = 1,105,434.34
5. Step 5: Solve for x
   x = 1,105,434.34/1,009.27
6. Step 6: Final answer
   x = 1,095.28