Finding the Fourth Proportional to 4,792.30, 7,185.92 and 4,238.36

Step by Step Solution

1. Step 1: Write the proportion equation
   4,792.30 : 7,185.92 = 4,238.36 : x
2. Step 2: Convert to fraction form
   4,792.30/7,185.92 = 4,238.36/x
3. Step 3: Cross multiply
   4,792.30x = 7,185.92 × 4,238.36
4. Step 4: Simplify right side
   4,792.30x = 30,456,515.89
5. Step 5: Solve for x
   x = 30,456,515.89/4,792.30
6. Step 6: Final answer
   x = 6,355.30