Finding the Fourth Proportional to 1,072.67, 1,480.56 and 700.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072.67 : 1,480.56 = 700.58 : x
2. Step 2: Convert to fraction form
   1,072.67/1,480.56 = 700.58/x
3. Step 3: Cross multiply
   1,072.67x = 1,480.56 × 700.58
4. Step 4: Simplify right side
   1,072.67x = 1,037,250.72
5. Step 5: Solve for x
   x = 1,037,250.72/1,072.67
6. Step 6: Final answer
   x = 966.98