Finding the Fourth Proportional to 1,111.26, 1,667.13 and 462.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.26 : 1,667.13 = 462.18 : x
2. Step 2: Convert to fraction form
   1,111.26/1,667.13 = 462.18/x
3. Step 3: Cross multiply
   1,111.26x = 1,667.13 × 462.18
4. Step 4: Simplify right side
   1,111.26x = 770,514.14
5. Step 5: Solve for x
   x = 770,514.14/1,111.26
6. Step 6: Final answer
   x = 693.37