Finding the Fourth Proportional to 1,096.10, 1,642.83 and 632.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.10 : 1,642.83 = 632.91 : x
2. Step 2: Convert to fraction form
   1,096.10/1,642.83 = 632.91/x
3. Step 3: Cross multiply
   1,096.10x = 1,642.83 × 632.91
4. Step 4: Simplify right side
   1,096.10x = 1,039,763.54
5. Step 5: Solve for x
   x = 1,039,763.54/1,096.10
6. Step 6: Final answer
   x = 948.61