Finding the Fourth Proportional to 1,150.66, 1,587.91 and 626.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.66 : 1,587.91 = 626.69 : x
2. Step 2: Convert to fraction form
   1,150.66/1,587.91 = 626.69/x
3. Step 3: Cross multiply
   1,150.66x = 1,587.91 × 626.69
4. Step 4: Simplify right side
   1,150.66x = 995,127.32
5. Step 5: Solve for x
   x = 995,127.32/1,150.66
6. Step 6: Final answer
   x = 864.83