Finding the Fourth Proportional to 1,046.06, 1,443.60 and 626.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.06 : 1,443.60 = 626.48 : x
2. Step 2: Convert to fraction form
   1,046.06/1,443.60 = 626.48/x
3. Step 3: Cross multiply
   1,046.06x = 1,443.60 × 626.48
4. Step 4: Simplify right side
   1,046.06x = 904,376.18
5. Step 5: Solve for x
   x = 904,376.18/1,046.06
6. Step 6: Final answer
   x = 864.56