Finding the Fourth Proportional to 1,550.72, 2,326.17 and 626.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.72 : 2,326.17 = 626.28 : x
2. Step 2: Convert to fraction form
   1,550.72/2,326.17 = 626.28/x
3. Step 3: Cross multiply
   1,550.72x = 2,326.17 × 626.28
4. Step 4: Simplify right side
   1,550.72x = 1,456,833.75
5. Step 5: Solve for x
   x = 1,456,833.75/1,550.72
6. Step 6: Final answer
   x = 939.46