Finding the Fourth Proportional to 1,429.29, 2,144.61 and 698.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.29 : 2,144.61 = 698.46 : x
2. Step 2: Convert to fraction form
   1,429.29/2,144.61 = 698.46/x
3. Step 3: Cross multiply
   1,429.29x = 2,144.61 × 698.46
4. Step 4: Simplify right side
   1,429.29x = 1,497,924.30
5. Step 5: Solve for x
   x = 1,497,924.30/1,429.29
6. Step 6: Final answer
   x = 1,048.02