Finding the Fourth Proportional to 1,150.72, 1,588.02 and 626.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.72 : 1,588.02 = 626.76 : x
2. Step 2: Convert to fraction form
   1,150.72/1,588.02 = 626.76/x
3. Step 3: Cross multiply
   1,150.72x = 1,588.02 × 626.76
4. Step 4: Simplify right side
   1,150.72x = 995,307.42
5. Step 5: Solve for x
   x = 995,307.42/1,150.72
6. Step 6: Final answer
   x = 864.94