Finding the Fourth Proportional to 1,151.06, 1,588.50 and 627.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.06 : 1,588.50 = 627.13 : x
2. Step 2: Convert to fraction form
   1,151.06/1,588.50 = 627.13/x
3. Step 3: Cross multiply
   1,151.06x = 1,588.50 × 627.13
4. Step 4: Simplify right side
   1,151.06x = 996,196.01
5. Step 5: Solve for x
   x = 996,196.01/1,151.06
6. Step 6: Final answer
   x = 865.46