Finding the Fourth Proportional to 2,424.78, 3,633.93 and 1,123.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,424.78 : 3,633.93 = 1,123.38 : x
2. Step 2: Convert to fraction form
   2,424.78/3,633.93 = 1,123.38/x
3. Step 3: Cross multiply
   2,424.78x = 3,633.93 × 1,123.38
4. Step 4: Simplify right side
   2,424.78x = 4,082,284.28
5. Step 5: Solve for x
   x = 4,082,284.28/2,424.78
6. Step 6: Final answer
   x = 1,683.57