Finding the Fourth Proportional to 1,111.08, 1,667.34 and 495.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.08 : 1,667.34 = 495.16 : x
2. Step 2: Convert to fraction form
   1,111.08/1,667.34 = 495.16/x
3. Step 3: Cross multiply
   1,111.08x = 1,667.34 × 495.16
4. Step 4: Simplify right side
   1,111.08x = 825,600.07
5. Step 5: Solve for x
   x = 825,600.07/1,111.08
6. Step 6: Final answer
   x = 743.06