Finding the Fourth Proportional to 1,165.33, 1,608.18 and 634.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,165.33 : 1,608.18 = 634.24 : x
2. Step 2: Convert to fraction form
   1,165.33/1,608.18 = 634.24/x
3. Step 3: Cross multiply
   1,165.33x = 1,608.18 × 634.24
4. Step 4: Simplify right side
   1,165.33x = 1,019,977.69
5. Step 5: Solve for x
   x = 1,019,977.69/1,165.33
6. Step 6: Final answer
   x = 875.27