Finding the Fourth Proportional to 1,046.19, 1,443.80 and 626.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.19 : 1,443.80 = 626.48 : x
2. Step 2: Convert to fraction form
   1,046.19/1,443.80 = 626.48/x
3. Step 3: Cross multiply
   1,046.19x = 1,443.80 × 626.48
4. Step 4: Simplify right side
   1,046.19x = 904,517.94
5. Step 5: Solve for x
   x = 904,517.94/1,046.19
6. Step 6: Final answer
   x = 864.58