Finding the Fourth Proportional to 1,047.93, 1,446.03 and 628.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.93 : 1,446.03 = 628.27 : x
2. Step 2: Convert to fraction form
   1,047.93/1,446.03 = 628.27/x
3. Step 3: Cross multiply
   1,047.93x = 1,446.03 × 628.27
4. Step 4: Simplify right side
   1,047.93x = 908,490.04
5. Step 5: Solve for x
   x = 908,490.04/1,047.93
6. Step 6: Final answer
   x = 866.94