Finding the Fourth Proportional to 2,429.06, 3,643.47 and 697.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.06 : 3,643.47 = 697.68 : x
2. Step 2: Convert to fraction form
   2,429.06/3,643.47 = 697.68/x
3. Step 3: Cross multiply
   2,429.06x = 3,643.47 × 697.68
4. Step 4: Simplify right side
   2,429.06x = 2,541,976.15
5. Step 5: Solve for x
   x = 2,541,976.15/2,429.06
6. Step 6: Final answer
   x = 1,046.49