Finding the Fourth Proportional to 1,150.09, 1,587.07 and 626.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.09 : 1,587.07 = 626.12 : x
2. Step 2: Convert to fraction form
   1,150.09/1,587.07 = 626.12/x
3. Step 3: Cross multiply
   1,150.09x = 1,587.07 × 626.12
4. Step 4: Simplify right side
   1,150.09x = 993,696.27
5. Step 5: Solve for x
   x = 993,696.27/1,150.09
6. Step 6: Final answer
   x = 864.02