Finding the Fourth Proportional to 1,046.66, 1,443.86 and 626.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.66 : 1,443.86 = 626.72 : x
2. Step 2: Convert to fraction form
   1,046.66/1,443.86 = 626.72/x
3. Step 3: Cross multiply
   1,046.66x = 1,443.86 × 626.72
4. Step 4: Simplify right side
   1,046.66x = 904,895.94
5. Step 5: Solve for x
   x = 904,895.94/1,046.66
6. Step 6: Final answer
   x = 864.56