Finding the Fourth Proportional to 1,052.86, 1,452.72 and 704.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,052.86 : 1,452.72 = 704.56 : x
2. Step 2: Convert to fraction form
   1,052.86/1,452.72 = 704.56/x
3. Step 3: Cross multiply
   1,052.86x = 1,452.72 × 704.56
4. Step 4: Simplify right side
   1,052.86x = 1,023,528.40
5. Step 5: Solve for x
   x = 1,023,528.40/1,052.86
6. Step 6: Final answer
   x = 972.14