Finding the Fourth Proportional to 1,046.13, 1,443.71 and 626.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.13 : 1,443.71 = 626.41 : x
2. Step 2: Convert to fraction form
   1,046.13/1,443.71 = 626.41/x
3. Step 3: Cross multiply
   1,046.13x = 1,443.71 × 626.41
4. Step 4: Simplify right side
   1,046.13x = 904,352.34
5. Step 5: Solve for x
   x = 904,352.34/1,046.13
6. Step 6: Final answer
   x = 864.47