Finding the Fourth Proportional to 1,045.91, 1,443.41 and 626.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.91 : 1,443.41 = 626.33 : x
2. Step 2: Convert to fraction form
   1,045.91/1,443.41 = 626.33/x
3. Step 3: Cross multiply
   1,045.91x = 1,443.41 × 626.33
4. Step 4: Simplify right side
   1,045.91x = 904,040.64
5. Step 5: Solve for x
   x = 904,040.64/1,045.91
6. Step 6: Final answer
   x = 864.36