Finding the Fourth Proportional to 1,017.47, 1,523.32 and 704.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.47 : 1,523.32 = 704.42 : x
2. Step 2: Convert to fraction form
   1,017.47/1,523.32 = 704.42/x
3. Step 3: Cross multiply
   1,017.47x = 1,523.32 × 704.42
4. Step 4: Simplify right side
   1,017.47x = 1,073,059.12
5. Step 5: Solve for x
   x = 1,073,059.12/1,017.47
6. Step 6: Final answer
   x = 1,054.63