Finding the Fourth Proportional to 1,096.83, 1,642.65 and 633.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.83 : 1,642.65 = 633.63 : x
2. Step 2: Convert to fraction form
   1,096.83/1,642.65 = 633.63/x
3. Step 3: Cross multiply
   1,096.83x = 1,642.65 × 633.63
4. Step 4: Simplify right side
   1,096.83x = 1,040,832.32
5. Step 5: Solve for x
   x = 1,040,832.32/1,096.83
6. Step 6: Final answer
   x = 948.95