Finding the Fourth Proportional to 1,085.50, 1,498.06 and 1,046.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085.50 : 1,498.06 = 1,046.28 : x
2. Step 2: Convert to fraction form
   1,085.50/1,498.06 = 1,046.28/x
3. Step 3: Cross multiply
   1,085.50x = 1,498.06 × 1,046.28
4. Step 4: Simplify right side
   1,085.50x = 1,567,391.26
5. Step 5: Solve for x
   x = 1,567,391.26/1,085.50
6. Step 6: Final answer
   x = 1,443.94