Finding the Fourth Proportional to 1,150.95, 1,588.31 and 626.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.95 : 1,588.31 = 626.98 : x
2. Step 2: Convert to fraction form
   1,150.95/1,588.31 = 626.98/x
3. Step 3: Cross multiply
   1,150.95x = 1,588.31 × 626.98
4. Step 4: Simplify right side
   1,150.95x = 995,838.60
5. Step 5: Solve for x
   x = 995,838.60/1,150.95
6. Step 6: Final answer
   x = 865.23