Finding the Fourth Proportional to 1,133.33, 1,563.71 and 679.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,133.33 : 1,563.71 = 679.01 : x
2. Step 2: Convert to fraction form
   1,133.33/1,563.71 = 679.01/x
3. Step 3: Cross multiply
   1,133.33x = 1,563.71 × 679.01
4. Step 4: Simplify right side
   1,133.33x = 1,061,763.51
5. Step 5: Solve for x
   x = 1,061,763.51/1,133.33
6. Step 6: Final answer
   x = 936.86