Finding the Fourth Proportional to 1,105.73, 1,525.94 and 633.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.73 : 1,525.94 = 633.71 : x
2. Step 2: Convert to fraction form
   1,105.73/1,525.94 = 633.71/x
3. Step 3: Cross multiply
   1,105.73x = 1,525.94 × 633.71
4. Step 4: Simplify right side
   1,105.73x = 967,006.45
5. Step 5: Solve for x
   x = 967,006.45/1,105.73
6. Step 6: Final answer
   x = 874.54