Finding the Fourth Proportional to 1,132.05, 1,562.23 and 660.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132.05 : 1,562.23 = 660.27 : x
2. Step 2: Convert to fraction form
   1,132.05/1,562.23 = 660.27/x
3. Step 3: Cross multiply
   1,132.05x = 1,562.23 × 660.27
4. Step 4: Simplify right side
   1,132.05x = 1,031,493.60
5. Step 5: Solve for x
   x = 1,031,493.60/1,132.05
6. Step 6: Final answer
   x = 911.17