Finding the Fourth Proportional to 1,096.52, 1,642.32 and 633.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.52 : 1,642.32 = 633.20 : x
2. Step 2: Convert to fraction form
   1,096.52/1,642.32 = 633.20/x
3. Step 3: Cross multiply
   1,096.52x = 1,642.32 × 633.20
4. Step 4: Simplify right side
   1,096.52x = 1,039,917.02
5. Step 5: Solve for x
   x = 1,039,917.02/1,096.52
6. Step 6: Final answer
   x = 948.38