Finding the Fourth Proportional to 2,424.38, 3,636.59 and 1,940.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,424.38 : 3,636.59 = 1,940.51 : x
2. Step 2: Convert to fraction form
   2,424.38/3,636.59 = 1,940.51/x
3. Step 3: Cross multiply
   2,424.38x = 3,636.59 × 1,940.51
4. Step 4: Simplify right side
   2,424.38x = 7,056,825.93
5. Step 5: Solve for x
   x = 7,056,825.93/2,424.38
6. Step 6: Final answer
   x = 2,910.78