Finding the Fourth Proportional to 1,659.67, 2,287.88 and 1,062.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659.67 : 2,287.88 = 1,062.09 : x
2. Step 2: Convert to fraction form
   1,659.67/2,287.88 = 1,062.09/x
3. Step 3: Cross multiply
   1,659.67x = 2,287.88 × 1,062.09
4. Step 4: Simplify right side
   1,659.67x = 2,429,934.47
5. Step 5: Solve for x
   x = 2,429,934.47/1,659.67
6. Step 6: Final answer
   x = 1,464.11