Finding the Fourth Proportional to 801.70, 1,196.72 and 704.50

Step by Step Solution

1. Step 1: Write the proportion equation
   801.70 : 1,196.72 = 704.50 : x
2. Step 2: Convert to fraction form
   801.70/1,196.72 = 704.50/x
3. Step 3: Cross multiply
   801.70x = 1,196.72 × 704.50
4. Step 4: Simplify right side
   801.70x = 843,089.24
5. Step 5: Solve for x
   x = 843,089.24/801.70
6. Step 6: Final answer
   x = 1,051.63