Finding the Fourth Proportional to 1,111.24, 1,667.94 and 462.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.24 : 1,667.94 = 462.16 : x
2. Step 2: Convert to fraction form
   1,111.24/1,667.94 = 462.16/x
3. Step 3: Cross multiply
   1,111.24x = 1,667.94 × 462.16
4. Step 4: Simplify right side
   1,111.24x = 770,855.15
5. Step 5: Solve for x
   x = 770,855.15/1,111.24
6. Step 6: Final answer
   x = 693.69