Finding the Fourth Proportional to 1,132.32, 1,562.64 and 1,080.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132.32 : 1,562.64 = 1,080.48 : x
2. Step 2: Convert to fraction form
   1,132.32/1,562.64 = 1,080.48/x
3. Step 3: Cross multiply
   1,132.32x = 1,562.64 × 1,080.48
4. Step 4: Simplify right side
   1,132.32x = 1,688,401.27
5. Step 5: Solve for x
   x = 1,688,401.27/1,132.32
6. Step 6: Final answer
   x = 1,491.10