Finding the Fourth Proportional to 1,057.91, 1,460.42 and 704.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057.91 : 1,460.42 = 704.42 : x
2. Step 2: Convert to fraction form
   1,057.91/1,460.42 = 704.42/x
3. Step 3: Cross multiply
   1,057.91x = 1,460.42 × 704.42
4. Step 4: Simplify right side
   1,057.91x = 1,028,738.23
5. Step 5: Solve for x
   x = 1,028,738.23/1,057.91
6. Step 6: Final answer
   x = 972.43