Finding the Fourth Proportional to 3,866.52, 5,358.24 and 3,792.66

Step by Step Solution

1. Step 1: Write the proportion equation
   3,866.52 : 5,358.24 = 3,792.66 : x
2. Step 2: Convert to fraction form
   3,866.52/5,358.24 = 3,792.66/x
3. Step 3: Cross multiply
   3,866.52x = 5,358.24 × 3,792.66
4. Step 4: Simplify right side
   3,866.52x = 20,321,982.52
5. Step 5: Solve for x
   x = 20,321,982.52/3,866.52
6. Step 6: Final answer
   x = 5,255.88