Finding the Fourth Proportional to 1,150.25, 1,587.33 and 626.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.25 : 1,587.33 = 626.28 : x
2. Step 2: Convert to fraction form
   1,150.25/1,587.33 = 626.28/x
3. Step 3: Cross multiply
   1,150.25x = 1,587.33 × 626.28
4. Step 4: Simplify right side
   1,150.25x = 994,116.01
5. Step 5: Solve for x
   x = 994,116.01/1,150.25
6. Step 6: Final answer
   x = 864.26