Finding the Fourth Proportional to 1,166.67, 1,610.04 and 662.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,166.67 : 1,610.04 = 662.49 : x
2. Step 2: Convert to fraction form
   1,166.67/1,610.04 = 662.49/x
3. Step 3: Cross multiply
   1,166.67x = 1,610.04 × 662.49
4. Step 4: Simplify right side
   1,166.67x = 1,066,635.40
5. Step 5: Solve for x
   x = 1,066,635.40/1,166.67
6. Step 6: Final answer
   x = 914.26