Finding the Fourth Proportional to 2,429.36, 3,643.35 and 673.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.36 : 3,643.35 = 673.93 : x
2. Step 2: Convert to fraction form
   2,429.36/3,643.35 = 673.93/x
3. Step 3: Cross multiply
   2,429.36x = 3,643.35 × 673.93
4. Step 4: Simplify right side
   2,429.36x = 2,455,364.89
5. Step 5: Solve for x
   x = 2,455,364.89/2,429.36
6. Step 6: Final answer
   x = 1,010.70