Finding the Fourth Proportional to 1,073.07, 1,480.41 and 630.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073.07 : 1,480.41 = 630.27 : x
2. Step 2: Convert to fraction form
   1,073.07/1,480.41 = 630.27/x
3. Step 3: Cross multiply
   1,073.07x = 1,480.41 × 630.27
4. Step 4: Simplify right side
   1,073.07x = 933,058.01
5. Step 5: Solve for x
   x = 933,058.01/1,073.07
6. Step 6: Final answer
   x = 869.52