Finding the Fourth Proportional to 1,150.89, 1,588.23 and 626.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.89 : 1,588.23 = 626.92 : x
2. Step 2: Convert to fraction form
   1,150.89/1,588.23 = 626.92/x
3. Step 3: Cross multiply
   1,150.89x = 1,588.23 × 626.92
4. Step 4: Simplify right side
   1,150.89x = 995,693.15
5. Step 5: Solve for x
   x = 995,693.15/1,150.89
6. Step 6: Final answer
   x = 865.15