Finding the Fourth Proportional to 1,150.10, 1,587.16 and 626.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.10 : 1,587.16 = 626.14 : x
2. Step 2: Convert to fraction form
   1,150.10/1,587.16 = 626.14/x
3. Step 3: Cross multiply
   1,150.10x = 1,587.16 × 626.14
4. Step 4: Simplify right side
   1,150.10x = 993,784.36
5. Step 5: Solve for x
   x = 993,784.36/1,150.10
6. Step 6: Final answer
   x = 864.09