Finding the Fourth Proportional to 1,080.37, 1,491.03 and 632.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,080.37 : 1,491.03 = 632.41 : x
2. Step 2: Convert to fraction form
   1,080.37/1,491.03 = 632.41/x
3. Step 3: Cross multiply
   1,080.37x = 1,491.03 × 632.41
4. Step 4: Simplify right side
   1,080.37x = 942,942.28
5. Step 5: Solve for x
   x = 942,942.28/1,080.37
6. Step 6: Final answer
   x = 872.80