Finding the Fourth Proportional to 1,429.82, 2,144.76 and 608.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.82 : 2,144.76 = 608.24 : x
2. Step 2: Convert to fraction form
   1,429.82/2,144.76 = 608.24/x
3. Step 3: Cross multiply
   1,429.82x = 2,144.76 × 608.24
4. Step 4: Simplify right side
   1,429.82x = 1,304,528.82
5. Step 5: Solve for x
   x = 1,304,528.82/1,429.82
6. Step 6: Final answer
   x = 912.37