Finding the Fourth Proportional to 4,760.67, 7,128.71 and 3,284.45

Step by Step Solution

1. Step 1: Write the proportion equation
   4,760.67 : 7,128.71 = 3,284.45 : x
2. Step 2: Convert to fraction form
   4,760.67/7,128.71 = 3,284.45/x
3. Step 3: Cross multiply
   4,760.67x = 7,128.71 × 3,284.45
4. Step 4: Simplify right side
   4,760.67x = 23,413,878.54
5. Step 5: Solve for x
   x = 23,413,878.54/4,760.67
6. Step 6: Final answer
   x = 4,918.19