Finding the Fourth Proportional to 1,095.96, 1,642.42 and 633.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095.96 : 1,642.42 = 633.08 : x
2. Step 2: Convert to fraction form
   1,095.96/1,642.42 = 633.08/x
3. Step 3: Cross multiply
   1,095.96x = 1,642.42 × 633.08
4. Step 4: Simplify right side
   1,095.96x = 1,039,783.25
5. Step 5: Solve for x
   x = 1,039,783.25/1,095.96
6. Step 6: Final answer
   x = 948.74