Finding the Fourth Proportional to 11,628.54, 17,443.49 and 4,233.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,628.54 : 17,443.49 = 4,233.78 : x
2. Step 2: Convert to fraction form
   11,628.54/17,443.49 = 4,233.78/x
3. Step 3: Cross multiply
   11,628.54x = 17,443.49 × 4,233.78
4. Step 4: Simplify right side
   11,628.54x = 73,851,877.92
5. Step 5: Solve for x
   x = 73,851,877.92/11,628.54
6. Step 6: Final answer
   x = 6,350.92