Finding the Fourth Proportional to 1,046.10, 1,443.26 and 731.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.10 : 1,443.26 = 731.72 : x
2. Step 2: Convert to fraction form
   1,046.10/1,443.26 = 731.72/x
3. Step 3: Cross multiply
   1,046.10x = 1,443.26 × 731.72
4. Step 4: Simplify right side
   1,046.10x = 1,056,054.38
5. Step 5: Solve for x
   x = 1,056,054.38/1,046.10
6. Step 6: Final answer
   x = 1,009.52