Finding the Fourth Proportional to 1,059.82, 1,462.88 and 667.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059.82 : 1,462.88 = 667.18 : x
2. Step 2: Convert to fraction form
   1,059.82/1,462.88 = 667.18/x
3. Step 3: Cross multiply
   1,059.82x = 1,462.88 × 667.18
4. Step 4: Simplify right side
   1,059.82x = 976,004.28
5. Step 5: Solve for x
   x = 976,004.28/1,059.82
6. Step 6: Final answer
   x = 920.92