Finding the Fourth Proportional to 3,128.33, 4,678.27 and 2,338.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,128.33 : 4,678.27 = 2,338.24 : x
2. Step 2: Convert to fraction form
   3,128.33/4,678.27 = 2,338.24/x
3. Step 3: Cross multiply
   3,128.33x = 4,678.27 × 2,338.24
4. Step 4: Simplify right side
   3,128.33x = 10,938,909.27
5. Step 5: Solve for x
   x = 10,938,909.27/3,128.33
6. Step 6: Final answer
   x = 3,496.73