Finding the Fourth Proportional to 1,105.59, 1,525.63 and 633.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.59 : 1,525.63 = 633.38 : x
2. Step 2: Convert to fraction form
   1,105.59/1,525.63 = 633.38/x
3. Step 3: Cross multiply
   1,105.59x = 1,525.63 × 633.38
4. Step 4: Simplify right side
   1,105.59x = 966,297.48
5. Step 5: Solve for x
   x = 966,297.48/1,105.59
6. Step 6: Final answer
   x = 874.01