Finding the Fourth Proportional to 1,053.33, 1,453.48 and 633.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053.33 : 1,453.48 = 633.69 : x
2. Step 2: Convert to fraction form
   1,053.33/1,453.48 = 633.69/x
3. Step 3: Cross multiply
   1,053.33x = 1,453.48 × 633.69
4. Step 4: Simplify right side
   1,053.33x = 921,045.31
5. Step 5: Solve for x
   x = 921,045.31/1,053.33
6. Step 6: Final answer
   x = 874.41