Finding the Fourth Proportional to 1,111.01, 1,667.67 and 495.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.01 : 1,667.67 = 495.14 : x
2. Step 2: Convert to fraction form
   1,111.01/1,667.67 = 495.14/x
3. Step 3: Cross multiply
   1,111.01x = 1,667.67 × 495.14
4. Step 4: Simplify right side
   1,111.01x = 825,719.93
5. Step 5: Solve for x
   x = 825,719.93/1,111.01
6. Step 6: Final answer
   x = 743.22