Finding the Fourth Proportional to 1,073.21, 1,480.23 and 700.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073.21 : 1,480.23 = 700.52 : x
2. Step 2: Convert to fraction form
   1,073.21/1,480.23 = 700.52/x
3. Step 3: Cross multiply
   1,073.21x = 1,480.23 × 700.52
4. Step 4: Simplify right side
   1,073.21x = 1,036,930.72
5. Step 5: Solve for x
   x = 1,036,930.72/1,073.21
6. Step 6: Final answer
   x = 966.20