Finding the Fourth Proportional to 1,111.41, 1,667.75 and 462.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.41 : 1,667.75 = 462.11 : x
2. Step 2: Convert to fraction form
   1,111.41/1,667.75 = 462.11/x
3. Step 3: Cross multiply
   1,111.41x = 1,667.75 × 462.11
4. Step 4: Simplify right side
   1,111.41x = 770,673.30
5. Step 5: Solve for x
   x = 770,673.30/1,111.41
6. Step 6: Final answer
   x = 693.42