Finding the Fourth Proportional to 1,050.06, 1,448.67 and 630.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.06 : 1,448.67 = 630.42 : x
2. Step 2: Convert to fraction form
   1,050.06/1,448.67 = 630.42/x
3. Step 3: Cross multiply
   1,050.06x = 1,448.67 × 630.42
4. Step 4: Simplify right side
   1,050.06x = 913,270.54
5. Step 5: Solve for x
   x = 913,270.54/1,050.06
6. Step 6: Final answer
   x = 869.73